901326860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{207679}}^1$

素因数の和:207726

約数の個数: 48

約数和(自身を含む): 2232975360

約数和(自身を除く): 1331648500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 207679, 415358, 830716, 1038395, 1453753, 2076790, 2907506, 4153580, 5815012, 6438049, 7268765, 12876098, 14537530, 25752196, 29075060, 32190245, 45066343, 64380490, 90132686, 128760980, 180265372, 225331715, 450663430, 901326860]

約数ペア:

[(1, 901326860), (2, 450663430), (4, 225331715), (5, 180265372), (7, 128760980), (10, 90132686), (14, 64380490), (20, 45066343), (28, 32190245), (31, 29075060), (35, 25752196), (62, 14537530), (70, 12876098), (124, 7268765), (140, 6438049), (155, 5815012), (217, 4153580), (310, 2907506), (434, 2076790), (620, 1453753), (868, 1038395), (1085, 830716), (2170, 415358), (4340, 207679)]