30889000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 80870400

約数和(自身を除く): 49981400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 79, 85, 92, 100, 115, 125, 136, 158, 170, 184, 200, 230, 250, 316, 340, 391, 395, 425, 460, 500, 575, 632, 680, 782, 790, 850, 920, 1000, 1150, 1343, 1564, 1580, 1700, 1817, 1955, 1975, 2125, 2300, 2686, 2875, 3128, 3160, 3400, 3634, 3910, 3950, 4250, 4600, 5372, 5750, 6715, 7268, 7820, 7900, 8500, 9085, 9775, 9875, 10744, 11500, 13430, 14536, 15640, 15800, 17000, 18170, 19550, 19750, 23000, 26860, 30889, 33575, 36340, 39100, 39500, 45425, 48875, 53720, 61778, 67150, 72680, 78200, 79000, 90850, 97750, 123556, 134300, 154445, 167875, 181700, 195500, 227125, 247112, 268600, 308890, 335750, 363400, 391000, 454250, 617780, 671500, 772225, 908500, 1235560, 1343000, 1544450, 1817000, 3088900, 3861125, 6177800, 7722250, 15444500, 30889000]

約数ペア:

[(1, 30889000), (2, 15444500), (4, 7722250), (5, 6177800), (8, 3861125), (10, 3088900), (17, 1817000), (20, 1544450), (23, 1343000), (25, 1235560), (34, 908500), (40, 772225), (46, 671500), (50, 617780), (68, 454250), (79, 391000), (85, 363400), (92, 335750), (100, 308890), (115, 268600), (125, 247112), (136, 227125), (158, 195500), (170, 181700), (184, 167875), (200, 154445), (230, 134300), (250, 123556), (316, 97750), (340, 90850), (391, 79000), (395, 78200), (425, 72680), (460, 67150), (500, 61778), (575, 53720), (632, 48875), (680, 45425), (782, 39500), (790, 39100), (850, 36340), (920, 33575), (1000, 30889), (1150, 26860), (1343, 23000), (1564, 19750), (1580, 19550), (1700, 18170), (1817, 17000), (1955, 15800), (1975, 15640), (2125, 14536), (2300, 13430), (2686, 11500), (2875, 10744), (3128, 9875), (3160, 9775), (3400, 9085), (3634, 8500), (3910, 7900), (3950, 7820), (4250, 7268), (4600, 6715), (5372, 5750)]