2002097860

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 4953669336

約数和(自身を除く): 2951571476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 241, 245, 343, 346, 482, 490, 686, 692, 865, 964, 980, 1205, 1211, 1372, 1687, 1715, 1730, 2401, 2410, 2422, 3374, 3430, 3460, 4802, 4820, 4844, 6055, 6748, 6860, 8435, 8477, 9604, 11809, 12005, 12110, 16870, 16954, 23618, 24010, 24220, 33740, 33908, 41693, 42385, 47236, 48020, 59045, 59339, 82663, 83386, 84770, 118090, 118678, 165326, 166772, 169540, 208465, 236180, 237356, 291851, 296695, 330652, 413315, 415373, 416930, 578641, 583702, 593390, 826630, 830746, 833860, 1157282, 1167404, 1186780, 1459255, 1653260, 1661492, 2042957, 2076865, 2314564, 2893205, 2918510, 4085914, 4153730, 5786410, 5837020, 8171828, 8307460, 10214785, 11572820, 14300699, 20429570, 28601398, 40859140, 57202796, 71503495, 100104893, 143006990, 200209786, 286013980, 400419572, 500524465, 1001048930, 2002097860]

約数ペア:

[(1, 2002097860), (2, 1001048930), (4, 500524465), (5, 400419572), (7, 286013980), (10, 200209786), (14, 143006990), (20, 100104893), (28, 71503495), (35, 57202796), (49, 40859140), (70, 28601398), (98, 20429570), (140, 14300699), (173, 11572820), (196, 10214785), (241, 8307460), (245, 8171828), (343, 5837020), (346, 5786410), (482, 4153730), (490, 4085914), (686, 2918510), (692, 2893205), (865, 2314564), (964, 2076865), (980, 2042957), (1205, 1661492), (1211, 1653260), (1372, 1459255), (1687, 1186780), (1715, 1167404), (1730, 1157282), (2401, 833860), (2410, 830746), (2422, 826630), (3374, 593390), (3430, 583702), (3460, 578641), (4802, 416930), (4820, 415373), (4844, 413315), (6055, 330652), (6748, 296695), (6860, 291851), (8435, 237356), (8477, 236180), (9604, 208465), (11809, 169540), (12005, 166772), (12110, 165326), (16870, 118678), (16954, 118090), (23618, 84770), (24010, 83386), (24220, 82663), (33740, 59339), (33908, 59045), (41693, 48020), (42385, 47236)]