661106000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{10663}}^1$

素因数の和:10717

約数の個数: 80

約数和(自身を含む): 1650275328

約数和(自身を除く): 989169328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1550, 2000, 2480, 3100, 3875, 6200, 7750, 10663, 12400, 15500, 21326, 31000, 42652, 53315, 62000, 85304, 106630, 170608, 213260, 266575, 330553, 426520, 533150, 661106, 853040, 1066300, 1322212, 1332875, 1652765, 2132600, 2644424, 2665750, 3305530, 4265200, 5288848, 5331500, 6611060, 8263825, 10663000, 13222120, 16527650, 21326000, 26444240, 33055300, 41319125, 66110600, 82638250, 132221200, 165276500, 330553000, 661106000]

約数ペア:

[(1, 661106000), (2, 330553000), (4, 165276500), (5, 132221200), (8, 82638250), (10, 66110600), (16, 41319125), (20, 33055300), (25, 26444240), (31, 21326000), (40, 16527650), (50, 13222120), (62, 10663000), (80, 8263825), (100, 6611060), (124, 5331500), (125, 5288848), (155, 4265200), (200, 3305530), (248, 2665750), (250, 2644424), (310, 2132600), (400, 1652765), (496, 1332875), (500, 1322212), (620, 1066300), (775, 853040), (1000, 661106), (1240, 533150), (1550, 426520), (2000, 330553), (2480, 266575), (3100, 213260), (3875, 170608), (6200, 106630), (7750, 85304), (10663, 62000), (12400, 53315), (15500, 42652), (21326, 31000)]