221229540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9241}}^1$

素因数の和:9282

約数の個数: 144

約数和(自身を含む): 807381120

約数和(自身を除く): 586151580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 9241, 11970, 18482, 23940, 27723, 36964, 46205, 55446, 64687, 83169, 92410, 110892, 129374, 138615, 166338, 175579, 184820, 194061, 258748, 277230, 323435, 332676, 351158, 388122, 415845, 526737, 554460, 582183, 646870, 702316, 776244, 831690, 877895, 970305, 1053474, 1164366, 1229053, 1293740, 1580211, 1663380, 1755790, 1940610, 2106948, 2328732, 2458106, 2633685, 2910915, 3160422, 3511580, 3687159, 3881220, 4916212, 5267370, 5821830, 6145265, 6320844, 7374318, 7901055, 10534740, 11061477, 11643660, 12290530, 14748636, 15802110, 18435795, 22122954, 24581060, 31604220, 36871590, 44245908, 55307385, 73743180, 110614770, 221229540]

約数ペア:

[(1, 221229540), (2, 110614770), (3, 73743180), (4, 55307385), (5, 44245908), (6, 36871590), (7, 31604220), (9, 24581060), (10, 22122954), (12, 18435795), (14, 15802110), (15, 14748636), (18, 12290530), (19, 11643660), (20, 11061477), (21, 10534740), (28, 7901055), (30, 7374318), (35, 6320844), (36, 6145265), (38, 5821830), (42, 5267370), (45, 4916212), (57, 3881220), (60, 3687159), (63, 3511580), (70, 3160422), (76, 2910915), (84, 2633685), (90, 2458106), (95, 2328732), (105, 2106948), (114, 1940610), (126, 1755790), (133, 1663380), (140, 1580211), (171, 1293740), (180, 1229053), (190, 1164366), (210, 1053474), (228, 970305), (252, 877895), (266, 831690), (285, 776244), (315, 702316), (342, 646870), (380, 582183), (399, 554460), (420, 526737), (532, 415845), (570, 388122), (630, 351158), (665, 332676), (684, 323435), (798, 277230), (855, 258748), (1140, 194061), (1197, 184820), (1260, 175579), (1330, 166338), (1596, 138615), (1710, 129374), (1995, 110892), (2394, 92410), (2660, 83169), (3420, 64687), (3990, 55446), (4788, 46205), (5985, 36964), (7980, 27723), (9241, 23940), (11970, 18482)]