197101980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 629647200

約数和(自身を除く): 432545220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 61, 87, 90, 116, 122, 145, 174, 180, 183, 244, 261, 290, 305, 348, 366, 435, 522, 549, 580, 610, 619, 732, 870, 915, 1044, 1098, 1220, 1238, 1305, 1740, 1769, 1830, 1857, 2196, 2476, 2610, 2745, 3095, 3538, 3660, 3714, 5220, 5307, 5490, 5571, 6190, 7076, 7428, 8845, 9285, 10614, 10980, 11142, 12380, 15921, 17690, 17951, 18570, 21228, 22284, 26535, 27855, 31842, 35380, 35902, 37140, 37759, 53070, 53853, 55710, 63684, 71804, 75518, 79605, 89755, 106140, 107706, 111420, 113277, 151036, 159210, 161559, 179510, 188795, 215412, 226554, 269265, 318420, 323118, 339831, 359020, 377590, 453108, 538530, 566385, 646236, 679662, 755180, 807795, 1077060, 1095011, 1132770, 1359324, 1615590, 1699155, 2190022, 2265540, 3231180, 3285033, 3398310, 4380044, 5475055, 6570066, 6796620, 9855099, 10950110, 13140132, 16425165, 19710198, 21900220, 32850330, 39420396, 49275495, 65700660, 98550990, 197101980]

約数ペア:

[(1, 197101980), (2, 98550990), (3, 65700660), (4, 49275495), (5, 39420396), (6, 32850330), (9, 21900220), (10, 19710198), (12, 16425165), (15, 13140132), (18, 10950110), (20, 9855099), (29, 6796620), (30, 6570066), (36, 5475055), (45, 4380044), (58, 3398310), (60, 3285033), (61, 3231180), (87, 2265540), (90, 2190022), (116, 1699155), (122, 1615590), (145, 1359324), (174, 1132770), (180, 1095011), (183, 1077060), (244, 807795), (261, 755180), (290, 679662), (305, 646236), (348, 566385), (366, 538530), (435, 453108), (522, 377590), (549, 359020), (580, 339831), (610, 323118), (619, 318420), (732, 269265), (870, 226554), (915, 215412), (1044, 188795), (1098, 179510), (1220, 161559), (1238, 159210), (1305, 151036), (1740, 113277), (1769, 111420), (1830, 107706), (1857, 106140), (2196, 89755), (2476, 79605), (2610, 75518), (2745, 71804), (3095, 63684), (3538, 55710), (3660, 53853), (3714, 53070), (5220, 37759), (5307, 37140), (5490, 35902), (5571, 35380), (6190, 31842), (7076, 27855), (7428, 26535), (8845, 22284), (9285, 21228), (10614, 18570), (10980, 17951), (11142, 17690), (12380, 15921)]