129552100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 108

約数和(自身を含む): 307202560

約数和(自身を除く): 177650460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 79, 92, 100, 115, 124, 155, 158, 230, 310, 316, 395, 460, 529, 575, 620, 713, 775, 790, 1058, 1150, 1426, 1550, 1580, 1817, 1975, 2116, 2300, 2449, 2645, 2852, 3100, 3565, 3634, 3950, 4898, 5290, 7130, 7268, 7900, 9085, 9796, 10580, 12245, 13225, 14260, 16399, 17825, 18170, 24490, 26450, 32798, 35650, 36340, 41791, 45425, 48980, 52900, 56327, 61225, 65596, 71300, 81995, 83582, 90850, 112654, 122450, 163990, 167164, 181700, 208955, 225308, 244900, 281635, 327980, 409975, 417910, 563270, 819950, 835820, 1044775, 1126540, 1295521, 1408175, 1639900, 2089550, 2591042, 2816350, 4179100, 5182084, 5632700, 6477605, 12955210, 25910420, 32388025, 64776050, 129552100]

約数ペア:

[(1, 129552100), (2, 64776050), (4, 32388025), (5, 25910420), (10, 12955210), (20, 6477605), (23, 5632700), (25, 5182084), (31, 4179100), (46, 2816350), (50, 2591042), (62, 2089550), (79, 1639900), (92, 1408175), (100, 1295521), (115, 1126540), (124, 1044775), (155, 835820), (158, 819950), (230, 563270), (310, 417910), (316, 409975), (395, 327980), (460, 281635), (529, 244900), (575, 225308), (620, 208955), (713, 181700), (775, 167164), (790, 163990), (1058, 122450), (1150, 112654), (1426, 90850), (1550, 83582), (1580, 81995), (1817, 71300), (1975, 65596), (2116, 61225), (2300, 56327), (2449, 52900), (2645, 48980), (2852, 45425), (3100, 41791), (3565, 36340), (3634, 35650), (3950, 32798), (4898, 26450), (5290, 24490), (7130, 18170), (7268, 17825), (7900, 16399), (9085, 14260), (9796, 13225), (10580, 12245)]