405117468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 1240861440

約数和(自身を除く): 835743972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 211, 228, 252, 266, 342, 399, 401, 422, 532, 633, 684, 798, 802, 844, 1197, 1203, 1266, 1477, 1596, 1604, 1899, 2394, 2406, 2532, 2807, 2954, 3609, 3798, 4009, 4431, 4788, 4812, 5614, 5908, 7218, 7596, 7619, 8018, 8421, 8862, 11228, 12027, 13293, 14436, 15238, 16036, 16842, 17724, 22857, 24054, 25263, 26586, 28063, 30476, 33684, 36081, 45714, 48108, 50526, 53172, 53333, 56126, 68571, 72162, 84189, 84611, 91428, 101052, 106666, 112252, 137142, 144324, 159999, 168378, 169222, 213332, 252567, 253833, 274284, 319998, 336756, 338444, 479997, 505134, 507666, 592277, 639996, 761499, 959994, 1010268, 1015332, 1184554, 1522998, 1607609, 1776831, 1919988, 2369108, 3045996, 3215218, 3553662, 4822827, 5330493, 6430436, 7107324, 9645654, 10660986, 11253263, 14468481, 19291308, 21321972, 22506526, 28936962, 33759789, 45013052, 57873924, 67519578, 101279367, 135039156, 202558734, 405117468]

約数ペア:

[(1, 405117468), (2, 202558734), (3, 135039156), (4, 101279367), (6, 67519578), (7, 57873924), (9, 45013052), (12, 33759789), (14, 28936962), (18, 22506526), (19, 21321972), (21, 19291308), (28, 14468481), (36, 11253263), (38, 10660986), (42, 9645654), (57, 7107324), (63, 6430436), (76, 5330493), (84, 4822827), (114, 3553662), (126, 3215218), (133, 3045996), (171, 2369108), (211, 1919988), (228, 1776831), (252, 1607609), (266, 1522998), (342, 1184554), (399, 1015332), (401, 1010268), (422, 959994), (532, 761499), (633, 639996), (684, 592277), (798, 507666), (802, 505134), (844, 479997), (1197, 338444), (1203, 336756), (1266, 319998), (1477, 274284), (1596, 253833), (1604, 252567), (1899, 213332), (2394, 169222), (2406, 168378), (2532, 159999), (2807, 144324), (2954, 137142), (3609, 112252), (3798, 106666), (4009, 101052), (4431, 91428), (4788, 84611), (4812, 84189), (5614, 72162), (5908, 68571), (7218, 56126), (7596, 53333), (7619, 53172), (8018, 50526), (8421, 48108), (8862, 45714), (11228, 36081), (12027, 33684), (13293, 30476), (14436, 28063), (15238, 26586), (16036, 25263), (16842, 24054), (17724, 22857)]