1330407740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{1789}}^1$

素因数の和:1939

約数の個数: 72

約数和(自身を含む): 2978932320

約数和(自身を除く): 1648524580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 361, 380, 412, 515, 722, 1030, 1444, 1789, 1805, 1957, 2060, 3578, 3610, 3914, 7156, 7220, 7828, 8945, 9785, 17890, 19570, 33991, 35780, 37183, 39140, 67982, 74366, 135964, 148732, 169955, 184267, 185915, 339910, 368534, 371830, 645829, 679820, 737068, 743660, 921335, 1291658, 1842670, 2583316, 3229145, 3501073, 3685340, 6458290, 7002146, 12916580, 14004292, 17505365, 35010730, 66520387, 70021460, 133040774, 266081548, 332601935, 665203870, 1330407740]

約数ペア:

[(1, 1330407740), (2, 665203870), (4, 332601935), (5, 266081548), (10, 133040774), (19, 70021460), (20, 66520387), (38, 35010730), (76, 17505365), (95, 14004292), (103, 12916580), (190, 7002146), (206, 6458290), (361, 3685340), (380, 3501073), (412, 3229145), (515, 2583316), (722, 1842670), (1030, 1291658), (1444, 921335), (1789, 743660), (1805, 737068), (1957, 679820), (2060, 645829), (3578, 371830), (3610, 368534), (3914, 339910), (7156, 185915), (7220, 184267), (7828, 169955), (8945, 148732), (9785, 135964), (17890, 74366), (19570, 67982), (33991, 39140), (35780, 37183)]