157884860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5197}}^1$

素因数の和:5251

約数の個数: 72

約数和(自身を含む): 398208384

約数和(自身を除く): 240323524

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, 5197, 6076, 7595, 10394, 15190, 20788, 25985, 30380, 36379, 51970, 72758, 103940, 145516, 161107, 181895, 254653, 322214, 363790, 509306, 644428, 727580, 805535, 1018612, 1127749, 1273265, 1611070, 2255498, 2546530, 3222140, 4510996, 5093060, 5638745, 7894243, 11277490, 15788486, 22554980, 31576972, 39471215, 78942430, 157884860]

約数ペア:

[(1, 157884860), (2, 78942430), (4, 39471215), (5, 31576972), (7, 22554980), (10, 15788486), (14, 11277490), (20, 7894243), (28, 5638745), (31, 5093060), (35, 4510996), (49, 3222140), (62, 2546530), (70, 2255498), (98, 1611070), (124, 1273265), (140, 1127749), (155, 1018612), (196, 805535), (217, 727580), (245, 644428), (310, 509306), (434, 363790), (490, 322214), (620, 254653), (868, 181895), (980, 161107), (1085, 145516), (1519, 103940), (2170, 72758), (3038, 51970), (4340, 36379), (5197, 30380), (6076, 25985), (7595, 20788), (10394, 15190)]