47918000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 160

約数和(自身を含む): 132699840

約数和(自身を除く): 84781840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 97, 100, 104, 125, 130, 152, 190, 194, 200, 208, 247, 250, 260, 304, 325, 380, 388, 400, 475, 485, 494, 500, 520, 650, 760, 776, 950, 970, 988, 1000, 1040, 1235, 1261, 1300, 1520, 1552, 1625, 1843, 1900, 1940, 1976, 2000, 2375, 2425, 2470, 2522, 2600, 3250, 3686, 3800, 3880, 3952, 4750, 4850, 4940, 5044, 5200, 6175, 6305, 6500, 7372, 7600, 7760, 9215, 9500, 9700, 9880, 10088, 12125, 12350, 12610, 13000, 14744, 18430, 19000, 19400, 19760, 20176, 23959, 24250, 24700, 25220, 26000, 29488, 30875, 31525, 36860, 38000, 38800, 46075, 47918, 48500, 49400, 50440, 61750, 63050, 73720, 92150, 95836, 97000, 98800, 100880, 119795, 123500, 126100, 147440, 157625, 184300, 191672, 194000, 230375, 239590, 247000, 252200, 315250, 368600, 383344, 460750, 479180, 494000, 504400, 598975, 630500, 737200, 921500, 958360, 1197950, 1261000, 1843000, 1916720, 2395900, 2522000, 2994875, 3686000, 4791800, 5989750, 9583600, 11979500, 23959000, 47918000]

約数ペア:

[(1, 47918000), (2, 23959000), (4, 11979500), (5, 9583600), (8, 5989750), (10, 4791800), (13, 3686000), (16, 2994875), (19, 2522000), (20, 2395900), (25, 1916720), (26, 1843000), (38, 1261000), (40, 1197950), (50, 958360), (52, 921500), (65, 737200), (76, 630500), (80, 598975), (95, 504400), (97, 494000), (100, 479180), (104, 460750), (125, 383344), (130, 368600), (152, 315250), (190, 252200), (194, 247000), (200, 239590), (208, 230375), (247, 194000), (250, 191672), (260, 184300), (304, 157625), (325, 147440), (380, 126100), (388, 123500), (400, 119795), (475, 100880), (485, 98800), (494, 97000), (500, 95836), (520, 92150), (650, 73720), (760, 63050), (776, 61750), (950, 50440), (970, 49400), (988, 48500), (1000, 47918), (1040, 46075), (1235, 38800), (1261, 38000), (1300, 36860), (1520, 31525), (1552, 30875), (1625, 29488), (1843, 26000), (1900, 25220), (1940, 24700), (1976, 24250), (2000, 23959), (2375, 20176), (2425, 19760), (2470, 19400), (2522, 19000), (2600, 18430), (3250, 14744), (3686, 13000), (3800, 12610), (3880, 12350), (3952, 12125), (4750, 10088), (4850, 9880), (4940, 9700), (5044, 9500), (5200, 9215), (6175, 7760), (6305, 7600), (6500, 7372)]