407119280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{983}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 983937024

約数和(自身を除く): 576817744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 496, 620, 668, 835, 983, 1240, 1336, 1670, 1966, 2480, 2672, 3340, 3932, 4915, 5177, 6680, 7864, 9830, 10354, 13360, 15728, 19660, 20708, 25885, 30473, 39320, 41416, 51770, 60946, 78640, 82832, 103540, 121892, 152365, 164161, 207080, 243784, 304730, 328322, 414160, 487568, 609460, 656644, 820805, 1218920, 1313288, 1641610, 2437840, 2626576, 3283220, 5088991, 6566440, 10177982, 13132880, 20355964, 25444955, 40711928, 50889910, 81423856, 101779820, 203559640, 407119280]

約数ペア:

[(1, 407119280), (2, 203559640), (4, 101779820), (5, 81423856), (8, 50889910), (10, 40711928), (16, 25444955), (20, 20355964), (31, 13132880), (40, 10177982), (62, 6566440), (80, 5088991), (124, 3283220), (155, 2626576), (167, 2437840), (248, 1641610), (310, 1313288), (334, 1218920), (496, 820805), (620, 656644), (668, 609460), (835, 487568), (983, 414160), (1240, 328322), (1336, 304730), (1670, 243784), (1966, 207080), (2480, 164161), (2672, 152365), (3340, 121892), (3932, 103540), (4915, 82832), (5177, 78640), (6680, 60946), (7864, 51770), (9830, 41416), (10354, 39320), (13360, 30473), (15728, 25885), (19660, 20708)]