820199380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:866

約数の個数: 192

約数和(自身を含む): 2359300608

約数和(自身を除く): 1539101228

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 53, 55, 65, 70, 77, 91, 106, 110, 130, 140, 143, 154, 182, 212, 220, 260, 265, 286, 308, 364, 371, 385, 455, 530, 572, 583, 689, 715, 742, 770, 773, 910, 1001, 1060, 1166, 1378, 1430, 1484, 1540, 1546, 1820, 1855, 2002, 2332, 2756, 2860, 2915, 3092, 3445, 3710, 3865, 4004, 4081, 4823, 5005, 5411, 5830, 6890, 7420, 7579, 7730, 8162, 8503, 9646, 10010, 10049, 10822, 11660, 13780, 15158, 15460, 16324, 17006, 19292, 20020, 20098, 20405, 21644, 24115, 27055, 30316, 34012, 37895, 40196, 40810, 40969, 42515, 48230, 50245, 53053, 54110, 59521, 70343, 75790, 81620, 81938, 85030, 96460, 100490, 106106, 108220, 110539, 119042, 140686, 151580, 163876, 170060, 200980, 204845, 212212, 221078, 238084, 265265, 281372, 286783, 297605, 351715, 409690, 442156, 450659, 530530, 532597, 552695, 573566, 595210, 703430, 773773, 819380, 901318, 1061060, 1065194, 1105390, 1147132, 1190420, 1406860, 1433915, 1547546, 1802636, 2130388, 2210780, 2253295, 2662985, 2867830, 3095092, 3154613, 3728179, 3868865, 4506590, 5325970, 5735660, 5858567, 6309226, 7456358, 7737730, 9013180, 10651940, 11717134, 12618452, 14912716, 15475460, 15773065, 18640895, 23434268, 29292835, 31546130, 37281790, 41009969, 58585670, 63092260, 74563580, 82019938, 117171340, 164039876, 205049845, 410099690, 820199380]

約数ペア:

[(1, 820199380), (2, 410099690), (4, 205049845), (5, 164039876), (7, 117171340), (10, 82019938), (11, 74563580), (13, 63092260), (14, 58585670), (20, 41009969), (22, 37281790), (26, 31546130), (28, 29292835), (35, 23434268), (44, 18640895), (52, 15773065), (53, 15475460), (55, 14912716), (65, 12618452), (70, 11717134), (77, 10651940), (91, 9013180), (106, 7737730), (110, 7456358), (130, 6309226), (140, 5858567), (143, 5735660), (154, 5325970), (182, 4506590), (212, 3868865), (220, 3728179), (260, 3154613), (265, 3095092), (286, 2867830), (308, 2662985), (364, 2253295), (371, 2210780), (385, 2130388), (455, 1802636), (530, 1547546), (572, 1433915), (583, 1406860), (689, 1190420), (715, 1147132), (742, 1105390), (770, 1065194), (773, 1061060), (910, 901318), (1001, 819380), (1060, 773773), (1166, 703430), (1378, 595210), (1430, 573566), (1484, 552695), (1540, 532597), (1546, 530530), (1820, 450659), (1855, 442156), (2002, 409690), (2332, 351715), (2756, 297605), (2860, 286783), (2915, 281372), (3092, 265265), (3445, 238084), (3710, 221078), (3865, 212212), (4004, 204845), (4081, 200980), (4823, 170060), (5005, 163876), (5411, 151580), (5830, 140686), (6890, 119042), (7420, 110539), (7579, 108220), (7730, 106106), (8162, 100490), (8503, 96460), (9646, 85030), (10010, 81938), (10049, 81620), (10822, 75790), (11660, 70343), (13780, 59521), (15158, 54110), (15460, 53053), (16324, 50245), (17006, 48230), (19292, 42515), (20020, 40969), (20098, 40810), (20405, 40196), (21644, 37895), (24115, 34012), (27055, 30316)]