194459590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 395039232

約数和(自身を除く): 200579642

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 146, 155, 310, 365, 403, 661, 730, 806, 949, 1322, 1898, 2015, 2263, 3305, 4030, 4526, 4745, 6610, 8593, 9490, 11315, 17186, 20491, 22630, 29419, 40982, 42965, 48253, 58838, 85930, 96506, 102455, 147095, 204910, 241265, 266383, 294190, 482530, 532766, 627289, 1254578, 1331915, 1495843, 2663830, 2991686, 3136445, 6272890, 7479215, 14958430, 19445959, 38891918, 97229795, 194459590]

約数ペア:

[(1, 194459590), (2, 97229795), (5, 38891918), (10, 19445959), (13, 14958430), (26, 7479215), (31, 6272890), (62, 3136445), (65, 2991686), (73, 2663830), (130, 1495843), (146, 1331915), (155, 1254578), (310, 627289), (365, 532766), (403, 482530), (661, 294190), (730, 266383), (806, 241265), (949, 204910), (1322, 147095), (1898, 102455), (2015, 96506), (2263, 85930), (3305, 58838), (4030, 48253), (4526, 42965), (4745, 40982), (6610, 29419), (8593, 22630), (9490, 20491), (11315, 17186)]