209888820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2273}}^1$

素因数の和:2316

約数の個数: 144

約数和(自身を含む): 695298240

約数和(自身を除く): 485409420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 2052, 2273, 2430, 2565, 3078, 3420, 4546, 4617, 4860, 5130, 6156, 6819, 7695, 9092, 9234, 10260, 11365, 13638, 15390, 18468, 20457, 22730, 23085, 27276, 30780, 34095, 40914, 43187, 45460, 46170, 61371, 68190, 81828, 86374, 92340, 102285, 122742, 129561, 136380, 172748, 184113, 204570, 215935, 245484, 259122, 306855, 368226, 388683, 409140, 431870, 518244, 552339, 613710, 647805, 736452, 777366, 863740, 920565, 1104678, 1166049, 1227420, 1295610, 1554732, 1841130, 1943415, 2209356, 2332098, 2591220, 2761695, 3498147, 3682260, 3886830, 4664196, 5523390, 5830245, 6996294, 7773660, 10494441, 11046780, 11660490, 13992588, 17490735, 20988882, 23320980, 34981470, 41977764, 52472205, 69962940, 104944410, 209888820]

約数ペア:

[(1, 209888820), (2, 104944410), (3, 69962940), (4, 52472205), (5, 41977764), (6, 34981470), (9, 23320980), (10, 20988882), (12, 17490735), (15, 13992588), (18, 11660490), (19, 11046780), (20, 10494441), (27, 7773660), (30, 6996294), (36, 5830245), (38, 5523390), (45, 4664196), (54, 3886830), (57, 3682260), (60, 3498147), (76, 2761695), (81, 2591220), (90, 2332098), (95, 2209356), (108, 1943415), (114, 1841130), (135, 1554732), (162, 1295610), (171, 1227420), (180, 1166049), (190, 1104678), (228, 920565), (243, 863740), (270, 777366), (285, 736452), (324, 647805), (342, 613710), (380, 552339), (405, 518244), (486, 431870), (513, 409140), (540, 388683), (570, 368226), (684, 306855), (810, 259122), (855, 245484), (972, 215935), (1026, 204570), (1140, 184113), (1215, 172748), (1539, 136380), (1620, 129561), (1710, 122742), (2052, 102285), (2273, 92340), (2430, 86374), (2565, 81828), (3078, 68190), (3420, 61371), (4546, 46170), (4617, 45460), (4860, 43187), (5130, 40914), (6156, 34095), (6819, 30780), (7695, 27276), (9092, 23085), (9234, 22730), (10260, 20457), (11365, 18468), (13638, 15390)]