207831880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4483}}^1$

素因数の和:4574

約数の個数: 64

約数和(自身を含む): 500414400

約数和(自身を除く): 292582520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 4483, 4636, 5795, 8966, 9272, 11590, 17932, 22415, 23180, 35864, 44830, 46360, 85177, 89660, 170354, 179320, 273463, 340708, 425885, 546926, 681416, 851770, 1093852, 1367315, 1703540, 2187704, 2734630, 3407080, 5195797, 5469260, 10391594, 10938520, 20783188, 25978985, 41566376, 51957970, 103915940, 207831880]

約数ペア:

[(1, 207831880), (2, 103915940), (4, 51957970), (5, 41566376), (8, 25978985), (10, 20783188), (19, 10938520), (20, 10391594), (38, 5469260), (40, 5195797), (61, 3407080), (76, 2734630), (95, 2187704), (122, 1703540), (152, 1367315), (190, 1093852), (244, 851770), (305, 681416), (380, 546926), (488, 425885), (610, 340708), (760, 273463), (1159, 179320), (1220, 170354), (2318, 89660), (2440, 85177), (4483, 46360), (4636, 44830), (5795, 35864), (8966, 23180), (9272, 22415), (11590, 17932)]