242019990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:846

約数の個数: 96

約数和(自身を含む): 669708000

約数和(自身を除く): 427688010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 317, 499, 510, 634, 765, 951, 998, 1497, 1530, 1585, 1902, 2495, 2853, 2994, 3170, 4491, 4755, 4990, 5389, 5706, 7485, 8483, 8982, 9510, 10778, 14265, 14970, 16167, 16966, 22455, 25449, 26945, 28530, 32334, 42415, 44910, 48501, 50898, 53890, 76347, 80835, 84830, 97002, 127245, 152694, 158183, 161670, 242505, 254490, 316366, 381735, 474549, 485010, 763470, 790915, 949098, 1423647, 1581830, 2372745, 2689111, 2847294, 4745490, 5378222, 7118235, 8067333, 13445555, 14236470, 16134666, 24201999, 26891110, 40336665, 48403998, 80673330, 121009995, 242019990]

約数ペア:

[(1, 242019990), (2, 121009995), (3, 80673330), (5, 48403998), (6, 40336665), (9, 26891110), (10, 24201999), (15, 16134666), (17, 14236470), (18, 13445555), (30, 8067333), (34, 7118235), (45, 5378222), (51, 4745490), (85, 2847294), (90, 2689111), (102, 2372745), (153, 1581830), (170, 1423647), (255, 949098), (306, 790915), (317, 763470), (499, 485010), (510, 474549), (634, 381735), (765, 316366), (951, 254490), (998, 242505), (1497, 161670), (1530, 158183), (1585, 152694), (1902, 127245), (2495, 97002), (2853, 84830), (2994, 80835), (3170, 76347), (4491, 53890), (4755, 50898), (4990, 48501), (5389, 44910), (5706, 42415), (7485, 32334), (8483, 28530), (8982, 26945), (9510, 25449), (10778, 22455), (14265, 16966), (14970, 16167)]