395489940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{31}}^2$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 1207805760

約数和(自身を除く): 812315820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 361, 372, 380, 465, 570, 589, 620, 722, 930, 961, 1083, 1140, 1178, 1444, 1767, 1805, 1860, 1922, 2166, 2356, 2883, 2945, 3534, 3610, 3844, 4332, 4805, 5415, 5766, 5890, 6859, 7068, 7220, 8835, 9610, 10830, 11191, 11532, 11780, 13718, 14415, 17670, 18259, 19220, 20577, 21660, 22382, 27436, 28830, 33573, 34295, 35340, 36518, 41154, 44764, 54777, 55955, 57660, 67146, 68590, 73036, 82308, 91295, 102885, 109554, 111910, 134292, 137180, 167865, 182590, 205770, 212629, 219108, 223820, 273885, 335730, 346921, 365180, 411540, 425258, 547770, 637887, 671460, 693842, 850516, 1040763, 1063145, 1095540, 1275774, 1387684, 1734605, 2081526, 2126290, 2551548, 3189435, 3469210, 4163052, 4252580, 5203815, 6378870, 6591499, 6938420, 10407630, 12757740, 13182998, 19774497, 20815260, 26365996, 32957495, 39548994, 65914990, 79097988, 98872485, 131829980, 197744970, 395489940]

約数ペア:

[(1, 395489940), (2, 197744970), (3, 131829980), (4, 98872485), (5, 79097988), (6, 65914990), (10, 39548994), (12, 32957495), (15, 26365996), (19, 20815260), (20, 19774497), (30, 13182998), (31, 12757740), (38, 10407630), (57, 6938420), (60, 6591499), (62, 6378870), (76, 5203815), (93, 4252580), (95, 4163052), (114, 3469210), (124, 3189435), (155, 2551548), (186, 2126290), (190, 2081526), (228, 1734605), (285, 1387684), (310, 1275774), (361, 1095540), (372, 1063145), (380, 1040763), (465, 850516), (570, 693842), (589, 671460), (620, 637887), (722, 547770), (930, 425258), (961, 411540), (1083, 365180), (1140, 346921), (1178, 335730), (1444, 273885), (1767, 223820), (1805, 219108), (1860, 212629), (1922, 205770), (2166, 182590), (2356, 167865), (2883, 137180), (2945, 134292), (3534, 111910), (3610, 109554), (3844, 102885), (4332, 91295), (4805, 82308), (5415, 73036), (5766, 68590), (5890, 67146), (6859, 57660), (7068, 55955), (7220, 54777), (8835, 44764), (9610, 41154), (10830, 36518), (11191, 35340), (11532, 34295), (11780, 33573), (13718, 28830), (14415, 27436), (17670, 22382), (18259, 21660), (19220, 20577)]