149135420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4963

約数の個数: 72

約数和(自身を含む): 376145280

約数和(自身を除く): 227009860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 4909, 6076, 7595, 9818, 15190, 19636, 24545, 30380, 34363, 49090, 68726, 98180, 137452, 152179, 171815, 240541, 304358, 343630, 481082, 608716, 687260, 760895, 962164, 1065253, 1202705, 1521790, 2130506, 2405410, 3043580, 4261012, 4810820, 5326265, 7456771, 10652530, 14913542, 21305060, 29827084, 37283855, 74567710, 149135420]

約数ペア:

[(1, 149135420), (2, 74567710), (4, 37283855), (5, 29827084), (7, 21305060), (10, 14913542), (14, 10652530), (20, 7456771), (28, 5326265), (31, 4810820), (35, 4261012), (49, 3043580), (62, 2405410), (70, 2130506), (98, 1521790), (124, 1202705), (140, 1065253), (155, 962164), (196, 760895), (217, 687260), (245, 608716), (310, 481082), (434, 343630), (490, 304358), (620, 240541), (868, 171815), (980, 152179), (1085, 137452), (1519, 98180), (2170, 68726), (3038, 49090), (4340, 34363), (4909, 30380), (6076, 24545), (7595, 19636), (9818, 15190)]