7904380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 19998720

約数和(自身を除く): 12094340

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 61, 62, 76, 95, 110, 122, 124, 155, 190, 209, 220, 244, 305, 310, 341, 380, 418, 589, 610, 620, 671, 682, 836, 1045, 1159, 1178, 1220, 1342, 1364, 1705, 1891, 2090, 2318, 2356, 2684, 2945, 3355, 3410, 3782, 4180, 4636, 5795, 5890, 6479, 6710, 6820, 7564, 9455, 11590, 11780, 12749, 12958, 13420, 18910, 20801, 23180, 25498, 25916, 32395, 35929, 37820, 41602, 50996, 63745, 64790, 71858, 83204, 104005, 127490, 129580, 143716, 179645, 208010, 254980, 359290, 395219, 416020, 718580, 790438, 1580876, 1976095, 3952190, 7904380]

約数ペア:

[(1, 7904380), (2, 3952190), (4, 1976095), (5, 1580876), (10, 790438), (11, 718580), (19, 416020), (20, 395219), (22, 359290), (31, 254980), (38, 208010), (44, 179645), (55, 143716), (61, 129580), (62, 127490), (76, 104005), (95, 83204), (110, 71858), (122, 64790), (124, 63745), (155, 50996), (190, 41602), (209, 37820), (220, 35929), (244, 32395), (305, 25916), (310, 25498), (341, 23180), (380, 20801), (418, 18910), (589, 13420), (610, 12958), (620, 12749), (671, 11780), (682, 11590), (836, 9455), (1045, 7564), (1159, 6820), (1178, 6710), (1220, 6479), (1342, 5890), (1364, 5795), (1705, 4636), (1891, 4180), (2090, 3782), (2318, 3410), (2356, 3355), (2684, 2945)]