490921620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61519}}^1$

素因数の和:61557

約数の個数: 96

約数和(自身を含む): 1653657600

約数和(自身を除く): 1162735980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 61519, 123038, 184557, 246076, 307595, 369114, 430633, 615190, 738228, 861266, 922785, 1168861, 1230380, 1291899, 1722532, 1845570, 2153165, 2337722, 2583798, 3506583, 3691140, 4306330, 4675444, 5167596, 5844305, 6459495, 7013166, 8182027, 8612660, 11688610, 12918990, 14026332, 16364054, 17532915, 23377220, 24546081, 25837980, 32728108, 35065830, 40910135, 49092162, 70131660, 81820270, 98184324, 122730405, 163640540, 245460810, 490921620]

約数ペア:

[(1, 490921620), (2, 245460810), (3, 163640540), (4, 122730405), (5, 98184324), (6, 81820270), (7, 70131660), (10, 49092162), (12, 40910135), (14, 35065830), (15, 32728108), (19, 25837980), (20, 24546081), (21, 23377220), (28, 17532915), (30, 16364054), (35, 14026332), (38, 12918990), (42, 11688610), (57, 8612660), (60, 8182027), (70, 7013166), (76, 6459495), (84, 5844305), (95, 5167596), (105, 4675444), (114, 4306330), (133, 3691140), (140, 3506583), (190, 2583798), (210, 2337722), (228, 2153165), (266, 1845570), (285, 1722532), (380, 1291899), (399, 1230380), (420, 1168861), (532, 922785), (570, 861266), (665, 738228), (798, 615190), (1140, 430633), (1330, 369114), (1596, 307595), (1995, 246076), (2660, 184557), (3990, 123038), (7980, 61519)]