771664400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4849

約数の個数: 120

約数和(自身を含む): 2061368064

約数和(自身を除く): 1289703664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1550, 1612, 2015, 2480, 2600, 3100, 3224, 4030, 4787, 5200, 6200, 6448, 8060, 9574, 10075, 12400, 16120, 19148, 20150, 23935, 32240, 38296, 40300, 47870, 62231, 76592, 80600, 95740, 119675, 124462, 148397, 161200, 191480, 239350, 248924, 296794, 311155, 382960, 478700, 497848, 593588, 622310, 741985, 957400, 995696, 1187176, 1244620, 1483970, 1555775, 1914800, 1929161, 2374352, 2489240, 2967940, 3111550, 3709925, 3858322, 4978480, 5935880, 6223100, 7419850, 7716644, 9645805, 11871760, 12446200, 14839700, 15433288, 19291610, 24892400, 29679400, 30866576, 38583220, 48229025, 59358800, 77166440, 96458050, 154332880, 192916100, 385832200, 771664400]

約数ペア:

[(1, 771664400), (2, 385832200), (4, 192916100), (5, 154332880), (8, 96458050), (10, 77166440), (13, 59358800), (16, 48229025), (20, 38583220), (25, 30866576), (26, 29679400), (31, 24892400), (40, 19291610), (50, 15433288), (52, 14839700), (62, 12446200), (65, 11871760), (80, 9645805), (100, 7716644), (104, 7419850), (124, 6223100), (130, 5935880), (155, 4978480), (200, 3858322), (208, 3709925), (248, 3111550), (260, 2967940), (310, 2489240), (325, 2374352), (400, 1929161), (403, 1914800), (496, 1555775), (520, 1483970), (620, 1244620), (650, 1187176), (775, 995696), (806, 957400), (1040, 741985), (1240, 622310), (1300, 593588), (1550, 497848), (1612, 478700), (2015, 382960), (2480, 311155), (2600, 296794), (3100, 248924), (3224, 239350), (4030, 191480), (4787, 161200), (5200, 148397), (6200, 124462), (6448, 119675), (8060, 95740), (9574, 80600), (10075, 76592), (12400, 62231), (16120, 47870), (19148, 40300), (20150, 38296), (23935, 32240)]