238279950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:128

約数の個数: 216

約数和(自身を含む): 720322200

約数和(自身を除く): 482042250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 29, 30, 31, 38, 45, 50, 57, 58, 62, 75, 87, 90, 93, 95, 114, 145, 150, 155, 171, 174, 186, 190, 225, 261, 279, 285, 290, 310, 342, 435, 450, 465, 475, 522, 551, 558, 570, 589, 725, 775, 855, 870, 899, 930, 950, 961, 1102, 1178, 1305, 1395, 1425, 1450, 1550, 1653, 1710, 1767, 1798, 1922, 2175, 2325, 2610, 2697, 2755, 2790, 2850, 2883, 2945, 3306, 3534, 4275, 4350, 4495, 4650, 4805, 4959, 5301, 5394, 5510, 5766, 5890, 6525, 6975, 8091, 8265, 8550, 8649, 8835, 8990, 9610, 9918, 10602, 13050, 13485, 13775, 13950, 14415, 14725, 16182, 16530, 17081, 17298, 17670, 18259, 22475, 24025, 24795, 26505, 26970, 27550, 27869, 28830, 29450, 34162, 36518, 40455, 41325, 43245, 44175, 44950, 48050, 49590, 51243, 53010, 54777, 55738, 67425, 72075, 80910, 82650, 83607, 85405, 86490, 88350, 91295, 102486, 109554, 123975, 132525, 134850, 139345, 144150, 153729, 164331, 167214, 170810, 182590, 202275, 216225, 247950, 250821, 256215, 265050, 273885, 278690, 307458, 328662, 404550, 418035, 427025, 432450, 456475, 501642, 512430, 529511, 547770, 696725, 768645, 821655, 836070, 854050, 912950, 1059022, 1254105, 1281075, 1369425, 1393450, 1537290, 1588533, 1643310, 2090175, 2508210, 2562150, 2647555, 2738850, 3177066, 3843225, 4108275, 4180350, 4765599, 5295110, 6270525, 7686450, 7942665, 8216550, 9531198, 12541050, 13237775, 15885330, 23827995, 26475550, 39713325, 47655990, 79426650, 119139975, 238279950]

約数ペア:

[(1, 238279950), (2, 119139975), (3, 79426650), (5, 47655990), (6, 39713325), (9, 26475550), (10, 23827995), (15, 15885330), (18, 13237775), (19, 12541050), (25, 9531198), (29, 8216550), (30, 7942665), (31, 7686450), (38, 6270525), (45, 5295110), (50, 4765599), (57, 4180350), (58, 4108275), (62, 3843225), (75, 3177066), (87, 2738850), (90, 2647555), (93, 2562150), (95, 2508210), (114, 2090175), (145, 1643310), (150, 1588533), (155, 1537290), (171, 1393450), (174, 1369425), (186, 1281075), (190, 1254105), (225, 1059022), (261, 912950), (279, 854050), (285, 836070), (290, 821655), (310, 768645), (342, 696725), (435, 547770), (450, 529511), (465, 512430), (475, 501642), (522, 456475), (551, 432450), (558, 427025), (570, 418035), (589, 404550), (725, 328662), (775, 307458), (855, 278690), (870, 273885), (899, 265050), (930, 256215), (950, 250821), (961, 247950), (1102, 216225), (1178, 202275), (1305, 182590), (1395, 170810), (1425, 167214), (1450, 164331), (1550, 153729), (1653, 144150), (1710, 139345), (1767, 134850), (1798, 132525), (1922, 123975), (2175, 109554), (2325, 102486), (2610, 91295), (2697, 88350), (2755, 86490), (2790, 85405), (2850, 83607), (2883, 82650), (2945, 80910), (3306, 72075), (3534, 67425), (4275, 55738), (4350, 54777), (4495, 53010), (4650, 51243), (4805, 49590), (4959, 48050), (5301, 44950), (5394, 44175), (5510, 43245), (5766, 41325), (5890, 40455), (6525, 36518), (6975, 34162), (8091, 29450), (8265, 28830), (8550, 27869), (8649, 27550), (8835, 26970), (8990, 26505), (9610, 24795), (9918, 24025), (10602, 22475), (13050, 18259), (13485, 17670), (13775, 17298), (13950, 17081), (14415, 16530), (14725, 16182)]