28163500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 67092480

約数和(自身を除く): 38928980

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 79, 92, 100, 115, 124, 125, 155, 158, 230, 250, 310, 316, 395, 460, 500, 575, 620, 713, 775, 790, 1150, 1426, 1550, 1580, 1817, 1975, 2300, 2449, 2852, 2875, 3100, 3565, 3634, 3875, 3950, 4898, 5750, 7130, 7268, 7750, 7900, 9085, 9796, 9875, 11500, 12245, 14260, 15500, 17825, 18170, 19750, 24490, 35650, 36340, 39500, 45425, 48980, 56327, 61225, 71300, 89125, 90850, 112654, 122450, 178250, 181700, 225308, 227125, 244900, 281635, 306125, 356500, 454250, 563270, 612250, 908500, 1126540, 1224500, 1408175, 2816350, 5632700, 7040875, 14081750, 28163500]

約数ペア:

[(1, 28163500), (2, 14081750), (4, 7040875), (5, 5632700), (10, 2816350), (20, 1408175), (23, 1224500), (25, 1126540), (31, 908500), (46, 612250), (50, 563270), (62, 454250), (79, 356500), (92, 306125), (100, 281635), (115, 244900), (124, 227125), (125, 225308), (155, 181700), (158, 178250), (230, 122450), (250, 112654), (310, 90850), (316, 89125), (395, 71300), (460, 61225), (500, 56327), (575, 48980), (620, 45425), (713, 39500), (775, 36340), (790, 35650), (1150, 24490), (1426, 19750), (1550, 18170), (1580, 17825), (1817, 15500), (1975, 14260), (2300, 12245), (2449, 11500), (2852, 9875), (2875, 9796), (3100, 9085), (3565, 7900), (3634, 7750), (3875, 7268), (3950, 7130), (4898, 5750)]