307239760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{123887}}^1$

素因数の和:123931

約数の個数: 40

約数和(自身を含む): 737381376

約数和(自身を除く): 430141616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 123887, 247774, 495548, 619435, 991096, 1238870, 1982192, 2477740, 3840497, 4955480, 7680994, 9910960, 15361988, 19202485, 30723976, 38404970, 61447952, 76809940, 153619880, 307239760]

約数ペア:

[(1, 307239760), (2, 153619880), (4, 76809940), (5, 61447952), (8, 38404970), (10, 30723976), (16, 19202485), (20, 15361988), (31, 9910960), (40, 7680994), (62, 4955480), (80, 3840497), (124, 2477740), (155, 1982192), (248, 1238870), (310, 991096), (496, 619435), (620, 495548), (1240, 247774), (2480, 123887)]