1490351660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{49057}}^1$

素因数の和:49111

約数の個数: 72

約数和(自身を含む): 3758235264

約数和(自身を除く): 2267883604

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, 6076, 7595, 15190, 30380, 49057, 98114, 196228, 245285, 343399, 490570, 686798, 981140, 1373596, 1520767, 1716995, 2403793, 3041534, 3433990, 4807586, 6083068, 6867980, 7603835, 9615172, 10645369, 12018965, 15207670, 21290738, 24037930, 30415340, 42581476, 48075860, 53226845, 74517583, 106453690, 149035166, 212907380, 298070332, 372587915, 745175830, 1490351660]

約数ペア:

[(1, 1490351660), (2, 745175830), (4, 372587915), (5, 298070332), (7, 212907380), (10, 149035166), (14, 106453690), (20, 74517583), (28, 53226845), (31, 48075860), (35, 42581476), (49, 30415340), (62, 24037930), (70, 21290738), (98, 15207670), (124, 12018965), (140, 10645369), (155, 9615172), (196, 7603835), (217, 6867980), (245, 6083068), (310, 4807586), (434, 3433990), (490, 3041534), (620, 2403793), (868, 1716995), (980, 1520767), (1085, 1373596), (1519, 981140), (2170, 686798), (3038, 490570), (4340, 343399), (6076, 245285), (7595, 196228), (15190, 98114), (30380, 49057)]