490618380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8783}}^1$

素因数の和:8828

約数の個数: 144

約数和(自身を含む): 1682311680

約数和(自身を除く): 1191693300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7980, 8783, 9310, 11172, 13965, 17566, 18620, 26349, 27930, 35132, 43915, 52698, 55860, 61481, 87830, 105396, 122962, 131745, 166877, 175660, 184443, 245924, 263490, 307405, 333754, 368886, 430367, 500631, 526980, 614810, 667508, 737772, 834385, 860734, 922215, 1001262, 1168139, 1229620, 1291101, 1668770, 1721468, 1844430, 2002524, 2151835, 2336278, 2503155, 2582202, 3337540, 3504417, 3688860, 4303670, 4672556, 5006310, 5164404, 5840695, 6455505, 7008834, 8176973, 8607340, 10012620, 11681390, 12911010, 14017668, 16353946, 17522085, 23362780, 24530919, 25822020, 32707892, 35044170, 40884865, 49061838, 70088340, 81769730, 98123676, 122654595, 163539460, 245309190, 490618380]

約数ペア:

[(1, 490618380), (2, 245309190), (3, 163539460), (4, 122654595), (5, 98123676), (6, 81769730), (7, 70088340), (10, 49061838), (12, 40884865), (14, 35044170), (15, 32707892), (19, 25822020), (20, 24530919), (21, 23362780), (28, 17522085), (30, 16353946), (35, 14017668), (38, 12911010), (42, 11681390), (49, 10012620), (57, 8607340), (60, 8176973), (70, 7008834), (76, 6455505), (84, 5840695), (95, 5164404), (98, 5006310), (105, 4672556), (114, 4303670), (133, 3688860), (140, 3504417), (147, 3337540), (190, 2582202), (196, 2503155), (210, 2336278), (228, 2151835), (245, 2002524), (266, 1844430), (285, 1721468), (294, 1668770), (380, 1291101), (399, 1229620), (420, 1168139), (490, 1001262), (532, 922215), (570, 860734), (588, 834385), (665, 737772), (735, 667508), (798, 614810), (931, 526980), (980, 500631), (1140, 430367), (1330, 368886), (1470, 333754), (1596, 307405), (1862, 263490), (1995, 245924), (2660, 184443), (2793, 175660), (2940, 166877), (3724, 131745), (3990, 122962), (4655, 105396), (5586, 87830), (7980, 61481), (8783, 55860), (9310, 52698), (11172, 43915), (13965, 35132), (17566, 27930), (18620, 26349)]