28703820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 86220288

約数和(自身を除く): 57516468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 107, 170, 204, 214, 255, 263, 321, 340, 428, 510, 526, 535, 642, 789, 1020, 1052, 1070, 1284, 1315, 1578, 1605, 1819, 2140, 2630, 3156, 3210, 3638, 3945, 4471, 5260, 5457, 6420, 7276, 7890, 8942, 9095, 10914, 13413, 15780, 17884, 18190, 21828, 22355, 26826, 27285, 28141, 36380, 44710, 53652, 54570, 56282, 67065, 84423, 89420, 109140, 112564, 134130, 140705, 168846, 268260, 281410, 337692, 422115, 478397, 562820, 844230, 956794, 1435191, 1688460, 1913588, 2391985, 2870382, 4783970, 5740764, 7175955, 9567940, 14351910, 28703820]

約数ペア:

[(1, 28703820), (2, 14351910), (3, 9567940), (4, 7175955), (5, 5740764), (6, 4783970), (10, 2870382), (12, 2391985), (15, 1913588), (17, 1688460), (20, 1435191), (30, 956794), (34, 844230), (51, 562820), (60, 478397), (68, 422115), (85, 337692), (102, 281410), (107, 268260), (170, 168846), (204, 140705), (214, 134130), (255, 112564), (263, 109140), (321, 89420), (340, 84423), (428, 67065), (510, 56282), (526, 54570), (535, 53652), (642, 44710), (789, 36380), (1020, 28141), (1052, 27285), (1070, 26826), (1284, 22355), (1315, 21828), (1578, 18190), (1605, 17884), (1819, 15780), (2140, 13413), (2630, 10914), (3156, 9095), (3210, 8942), (3638, 7890), (3945, 7276), (4471, 6420), (5260, 5457)]