1878045100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{887}}^1$

素因数の和:1615

約数の個数: 72

約数和(自身を含む): 4217730048

約数和(自身を除く): 2339684948

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 683, 775, 887, 1366, 1550, 1774, 2732, 3100, 3415, 3548, 4435, 6830, 8870, 13660, 17075, 17740, 21173, 22175, 27497, 34150, 42346, 44350, 54994, 68300, 84692, 88700, 105865, 109988, 137485, 211730, 274970, 423460, 529325, 549940, 605821, 687425, 1058650, 1211642, 1374850, 2117300, 2423284, 2749700, 3029105, 6058210, 12116420, 15145525, 18780451, 30291050, 37560902, 60582100, 75121804, 93902255, 187804510, 375609020, 469511275, 939022550, 1878045100]

約数ペア:

[(1, 1878045100), (2, 939022550), (4, 469511275), (5, 375609020), (10, 187804510), (20, 93902255), (25, 75121804), (31, 60582100), (50, 37560902), (62, 30291050), (100, 18780451), (124, 15145525), (155, 12116420), (310, 6058210), (620, 3029105), (683, 2749700), (775, 2423284), (887, 2117300), (1366, 1374850), (1550, 1211642), (1774, 1058650), (2732, 687425), (3100, 605821), (3415, 549940), (3548, 529325), (4435, 423460), (6830, 274970), (8870, 211730), (13660, 137485), (17075, 109988), (17740, 105865), (21173, 88700), (22175, 84692), (27497, 68300), (34150, 54994), (42346, 44350)]