391497540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^2$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 1281291648

約数和(自身を除く): 889794108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 113, 140, 146, 210, 219, 226, 292, 339, 365, 420, 438, 452, 511, 565, 678, 730, 791, 876, 1022, 1095, 1130, 1356, 1460, 1533, 1582, 1695, 2044, 2190, 2260, 2373, 2555, 3066, 3164, 3390, 3955, 4380, 4746, 5110, 6132, 6780, 7665, 7910, 8249, 9492, 10220, 11865, 12769, 15330, 15820, 16498, 23730, 24747, 25538, 30660, 32996, 38307, 41245, 47460, 49494, 51076, 57743, 63845, 76614, 82490, 89383, 98988, 115486, 123735, 127690, 153228, 164980, 173229, 178766, 191535, 230972, 247470, 255380, 268149, 288715, 346458, 357532, 383070, 446915, 494940, 536298, 577430, 692916, 766140, 866145, 893830, 932137, 1072596, 1154860, 1340745, 1732290, 1787660, 1864274, 2681490, 2796411, 3464580, 3728548, 4660685, 5362980, 5592822, 6524959, 9321370, 11185644, 13049918, 13982055, 18642740, 19574877, 26099836, 27964110, 32624795, 39149754, 55928220, 65249590, 78299508, 97874385, 130499180, 195748770, 391497540]

約数ペア:

[(1, 391497540), (2, 195748770), (3, 130499180), (4, 97874385), (5, 78299508), (6, 65249590), (7, 55928220), (10, 39149754), (12, 32624795), (14, 27964110), (15, 26099836), (20, 19574877), (21, 18642740), (28, 13982055), (30, 13049918), (35, 11185644), (42, 9321370), (60, 6524959), (70, 5592822), (73, 5362980), (84, 4660685), (105, 3728548), (113, 3464580), (140, 2796411), (146, 2681490), (210, 1864274), (219, 1787660), (226, 1732290), (292, 1340745), (339, 1154860), (365, 1072596), (420, 932137), (438, 893830), (452, 866145), (511, 766140), (565, 692916), (678, 577430), (730, 536298), (791, 494940), (876, 446915), (1022, 383070), (1095, 357532), (1130, 346458), (1356, 288715), (1460, 268149), (1533, 255380), (1582, 247470), (1695, 230972), (2044, 191535), (2190, 178766), (2260, 173229), (2373, 164980), (2555, 153228), (3066, 127690), (3164, 123735), (3390, 115486), (3955, 98988), (4380, 89383), (4746, 82490), (5110, 76614), (6132, 63845), (6780, 57743), (7665, 51076), (7910, 49494), (8249, 47460), (9492, 41245), (10220, 38307), (11865, 32996), (12769, 30660), (15330, 25538), (15820, 24747), (16498, 23730)]