30442000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 80

約数和(自身を含む): 76137984

約数和(自身を除く): 45695984

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, 491, 496, 500, 620, 775, 982, 1000, 1240, 1550, 1964, 2000, 2455, 2480, 3100, 3875, 3928, 4910, 6200, 7750, 7856, 9820, 12275, 12400, 15221, 15500, 19640, 24550, 30442, 31000, 39280, 49100, 60884, 61375, 62000, 76105, 98200, 121768, 122750, 152210, 196400, 243536, 245500, 304420, 380525, 491000, 608840, 761050, 982000, 1217680, 1522100, 1902625, 3044200, 3805250, 6088400, 7610500, 15221000, 30442000]

約数ペア:

[(1, 30442000), (2, 15221000), (4, 7610500), (5, 6088400), (8, 3805250), (10, 3044200), (16, 1902625), (20, 1522100), (25, 1217680), (31, 982000), (40, 761050), (50, 608840), (62, 491000), (80, 380525), (100, 304420), (124, 245500), (125, 243536), (155, 196400), (200, 152210), (248, 122750), (250, 121768), (310, 98200), (400, 76105), (491, 62000), (496, 61375), (500, 60884), (620, 49100), (775, 39280), (982, 31000), (1000, 30442), (1240, 24550), (1550, 19640), (1964, 15500), (2000, 15221), (2455, 12400), (2480, 12275), (3100, 9820), (3875, 7856), (3928, 7750), (4910, 6200)]