861977690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 1948354560

約数和(自身を除く): 1086376870

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 53, 70, 79, 85, 106, 119, 158, 170, 173, 238, 265, 346, 371, 395, 530, 553, 595, 742, 790, 865, 901, 1106, 1190, 1211, 1343, 1730, 1802, 1855, 2422, 2686, 2765, 2941, 3710, 4187, 4505, 5530, 5882, 6055, 6307, 6715, 8374, 9010, 9169, 9401, 12110, 12614, 13430, 13667, 14705, 18338, 18802, 20587, 20935, 27334, 29309, 29410, 31535, 41174, 41870, 45845, 47005, 58618, 63070, 64183, 68335, 71179, 91690, 94010, 95669, 102935, 128366, 136670, 142358, 146545, 155873, 191338, 205870, 232339, 293090, 311746, 320915, 355895, 464678, 478345, 498253, 641830, 711790, 724351, 779365, 956690, 996506, 1091111, 1161695, 1448702, 1558730, 1626373, 2182222, 2323390, 2491265, 3252746, 3621755, 4982530, 5070457, 5455555, 7243510, 8131865, 10140914, 10911110, 12313967, 16263730, 24627934, 25352285, 50704570, 61569835, 86197769, 123139670, 172395538, 430988845, 861977690]

約数ペア:

[(1, 861977690), (2, 430988845), (5, 172395538), (7, 123139670), (10, 86197769), (14, 61569835), (17, 50704570), (34, 25352285), (35, 24627934), (53, 16263730), (70, 12313967), (79, 10911110), (85, 10140914), (106, 8131865), (119, 7243510), (158, 5455555), (170, 5070457), (173, 4982530), (238, 3621755), (265, 3252746), (346, 2491265), (371, 2323390), (395, 2182222), (530, 1626373), (553, 1558730), (595, 1448702), (742, 1161695), (790, 1091111), (865, 996506), (901, 956690), (1106, 779365), (1190, 724351), (1211, 711790), (1343, 641830), (1730, 498253), (1802, 478345), (1855, 464678), (2422, 355895), (2686, 320915), (2765, 311746), (2941, 293090), (3710, 232339), (4187, 205870), (4505, 191338), (5530, 155873), (5882, 146545), (6055, 142358), (6307, 136670), (6715, 128366), (8374, 102935), (9010, 95669), (9169, 94010), (9401, 91690), (12110, 71179), (12614, 68335), (13430, 64183), (13667, 63070), (14705, 58618), (18338, 47005), (18802, 45845), (20587, 41870), (20935, 41174), (27334, 31535), (29309, 29410)]