397300680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{52553}}^1$

素因数の和:52580

約数の個数: 128

約数和(自身を含む): 1513555200

約数和(自身を除く): 1116254520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 52553, 105106, 157659, 210212, 262765, 315318, 367871, 420424, 472977, 525530, 630636, 735742, 788295, 945954, 1051060, 1103613, 1261272, 1418931, 1471484, 1576590, 1839355, 1891908, 2102120, 2207226, 2364885, 2837862, 2942968, 3153180, 3310839, 3678710, 3783816, 4414452, 4729770, 5518065, 5675724, 6306360, 6621678, 7094655, 7357420, 8828904, 9459540, 9932517, 11036130, 11351448, 13243356, 14189310, 14714840, 16554195, 18919080, 19865034, 22072260, 26486712, 28378620, 33108390, 39730068, 44144520, 49662585, 56757240, 66216780, 79460136, 99325170, 132433560, 198650340, 397300680]

約数ペア:

[(1, 397300680), (2, 198650340), (3, 132433560), (4, 99325170), (5, 79460136), (6, 66216780), (7, 56757240), (8, 49662585), (9, 44144520), (10, 39730068), (12, 33108390), (14, 28378620), (15, 26486712), (18, 22072260), (20, 19865034), (21, 18919080), (24, 16554195), (27, 14714840), (28, 14189310), (30, 13243356), (35, 11351448), (36, 11036130), (40, 9932517), (42, 9459540), (45, 8828904), (54, 7357420), (56, 7094655), (60, 6621678), (63, 6306360), (70, 5675724), (72, 5518065), (84, 4729770), (90, 4414452), (105, 3783816), (108, 3678710), (120, 3310839), (126, 3153180), (135, 2942968), (140, 2837862), (168, 2364885), (180, 2207226), (189, 2102120), (210, 1891908), (216, 1839355), (252, 1576590), (270, 1471484), (280, 1418931), (315, 1261272), (360, 1103613), (378, 1051060), (420, 945954), (504, 788295), (540, 735742), (630, 630636), (756, 525530), (840, 472977), (945, 420424), (1080, 367871), (1260, 315318), (1512, 262765), (1890, 210212), (2520, 157659), (3780, 105106), (7560, 52553)]