74903790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1461

約数の個数: 64

約数和(自身を含む): 195048000

約数和(自身を除く): 120144210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 149, 195, 298, 390, 447, 745, 894, 1289, 1490, 1937, 2235, 2578, 3867, 3874, 4470, 5811, 6445, 7734, 9685, 11622, 12890, 16757, 19335, 19370, 29055, 33514, 38670, 50271, 58110, 83785, 100542, 167570, 192061, 251355, 384122, 502710, 576183, 960305, 1152366, 1920610, 2496793, 2880915, 4993586, 5761830, 7490379, 12483965, 14980758, 24967930, 37451895, 74903790]

約数ペア:

[(1, 74903790), (2, 37451895), (3, 24967930), (5, 14980758), (6, 12483965), (10, 7490379), (13, 5761830), (15, 4993586), (26, 2880915), (30, 2496793), (39, 1920610), (65, 1152366), (78, 960305), (130, 576183), (149, 502710), (195, 384122), (298, 251355), (390, 192061), (447, 167570), (745, 100542), (894, 83785), (1289, 58110), (1490, 50271), (1937, 38670), (2235, 33514), (2578, 29055), (3867, 19370), (3874, 19335), (4470, 16757), (5811, 12890), (6445, 11622), (7734, 9685)]