858903980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^2$

素因数の和:276

約数の個数: 108

約数和(自身を含む): 2065836864

約数和(自身を除く): 1206932884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 107, 110, 121, 124, 155, 214, 220, 242, 310, 341, 428, 484, 535, 605, 620, 682, 1070, 1177, 1210, 1364, 1705, 2140, 2354, 2420, 3317, 3410, 3751, 4708, 5885, 6634, 6820, 7502, 11449, 11770, 12947, 13268, 15004, 16585, 18755, 22898, 23540, 25894, 33170, 36487, 37510, 45796, 51788, 57245, 64735, 66340, 72974, 75020, 114490, 125939, 129470, 145948, 182435, 228980, 251878, 258940, 354919, 364870, 401357, 503756, 629695, 709838, 729740, 802714, 1259390, 1385329, 1419676, 1605428, 1774595, 2006785, 2518780, 2770658, 3549190, 3904109, 4013570, 5541316, 6926645, 7098380, 7808218, 8027140, 13853290, 15616436, 19520545, 27706580, 39041090, 42945199, 78082180, 85890398, 171780796, 214725995, 429451990, 858903980]

約数ペア:

[(1, 858903980), (2, 429451990), (4, 214725995), (5, 171780796), (10, 85890398), (11, 78082180), (20, 42945199), (22, 39041090), (31, 27706580), (44, 19520545), (55, 15616436), (62, 13853290), (107, 8027140), (110, 7808218), (121, 7098380), (124, 6926645), (155, 5541316), (214, 4013570), (220, 3904109), (242, 3549190), (310, 2770658), (341, 2518780), (428, 2006785), (484, 1774595), (535, 1605428), (605, 1419676), (620, 1385329), (682, 1259390), (1070, 802714), (1177, 729740), (1210, 709838), (1364, 629695), (1705, 503756), (2140, 401357), (2354, 364870), (2420, 354919), (3317, 258940), (3410, 251878), (3751, 228980), (4708, 182435), (5885, 145948), (6634, 129470), (6820, 125939), (7502, 114490), (11449, 75020), (11770, 72974), (12947, 66340), (13268, 64735), (15004, 57245), (16585, 51788), (18755, 45796), (22898, 37510), (23540, 36487), (25894, 33170)]