382749250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 830269440

約数和(自身を除く): 447520190

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 31, 50, 58, 62, 65, 125, 130, 131, 145, 155, 250, 262, 290, 310, 325, 377, 403, 650, 655, 725, 754, 775, 806, 899, 1310, 1450, 1550, 1625, 1703, 1798, 1885, 2015, 3250, 3275, 3406, 3625, 3770, 3799, 3875, 4030, 4061, 4495, 6550, 7250, 7598, 7750, 8122, 8515, 8990, 9425, 10075, 11687, 16375, 17030, 18850, 18995, 20150, 20305, 22475, 23374, 32750, 37990, 40610, 42575, 44950, 47125, 49387, 50375, 52793, 58435, 85150, 94250, 94975, 98774, 100750, 101525, 105586, 112375, 116870, 117769, 189950, 203050, 212875, 224750, 235538, 246935, 263965, 292175, 425750, 474875, 493870, 507625, 527930, 584350, 588845, 949750, 1015250, 1177690, 1234675, 1319825, 1460875, 1530997, 2469350, 2639650, 2921750, 2944225, 3061994, 5888450, 6173375, 6599125, 7654985, 12346750, 13198250, 14721125, 15309970, 29442250, 38274925, 76549850, 191374625, 382749250]

約数ペア:

[(1, 382749250), (2, 191374625), (5, 76549850), (10, 38274925), (13, 29442250), (25, 15309970), (26, 14721125), (29, 13198250), (31, 12346750), (50, 7654985), (58, 6599125), (62, 6173375), (65, 5888450), (125, 3061994), (130, 2944225), (131, 2921750), (145, 2639650), (155, 2469350), (250, 1530997), (262, 1460875), (290, 1319825), (310, 1234675), (325, 1177690), (377, 1015250), (403, 949750), (650, 588845), (655, 584350), (725, 527930), (754, 507625), (775, 493870), (806, 474875), (899, 425750), (1310, 292175), (1450, 263965), (1550, 246935), (1625, 235538), (1703, 224750), (1798, 212875), (1885, 203050), (2015, 189950), (3250, 117769), (3275, 116870), (3406, 112375), (3625, 105586), (3770, 101525), (3799, 100750), (3875, 98774), (4030, 94975), (4061, 94250), (4495, 85150), (6550, 58435), (7250, 52793), (7598, 50375), (7750, 49387), (8122, 47125), (8515, 44950), (8990, 42575), (9425, 40610), (10075, 37990), (11687, 32750), (16375, 23374), (17030, 22475), (18850, 20305), (18995, 20150)]