156639340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 108

約数和(自身を含む): 392539392

約数和(自身を除く): 235900052

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 169, 220, 242, 260, 286, 338, 383, 484, 572, 605, 676, 715, 766, 845, 1210, 1430, 1532, 1573, 1690, 1859, 1915, 2420, 2860, 3146, 3380, 3718, 3830, 4213, 4979, 6292, 7436, 7660, 7865, 8426, 9295, 9958, 15730, 16852, 18590, 19916, 20449, 21065, 24895, 31460, 37180, 40898, 42130, 46343, 49790, 54769, 64727, 81796, 84260, 92686, 99580, 102245, 109538, 129454, 185372, 204490, 219076, 231715, 258908, 273845, 323635, 408980, 463430, 547690, 602459, 647270, 711997, 926860, 1095380, 1204918, 1294540, 1423994, 2409836, 2847988, 3012295, 3559985, 6024590, 7119970, 7831967, 12049180, 14239940, 15663934, 31327868, 39159835, 78319670, 156639340]

約数ペア:

[(1, 156639340), (2, 78319670), (4, 39159835), (5, 31327868), (10, 15663934), (11, 14239940), (13, 12049180), (20, 7831967), (22, 7119970), (26, 6024590), (44, 3559985), (52, 3012295), (55, 2847988), (65, 2409836), (110, 1423994), (121, 1294540), (130, 1204918), (143, 1095380), (169, 926860), (220, 711997), (242, 647270), (260, 602459), (286, 547690), (338, 463430), (383, 408980), (484, 323635), (572, 273845), (605, 258908), (676, 231715), (715, 219076), (766, 204490), (845, 185372), (1210, 129454), (1430, 109538), (1532, 102245), (1573, 99580), (1690, 92686), (1859, 84260), (1915, 81796), (2420, 64727), (2860, 54769), (3146, 49790), (3380, 46343), (3718, 42130), (3830, 40898), (4213, 37180), (4979, 31460), (6292, 24895), (7436, 21065), (7660, 20449), (7865, 19916), (8426, 18590), (9295, 16852), (9958, 15730)]