216899820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{63421}}^1$

素因数の和:63455

約数の個数: 72

約数和(自身を含む): 692568240

約数和(自身を除く): 475668420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 63421, 126842, 190263, 253684, 317105, 380526, 570789, 634210, 761052, 951315, 1141578, 1204999, 1268420, 1902630, 2283156, 2409998, 2853945, 3614997, 3805260, 4819996, 5707890, 6024995, 7229994, 10844991, 11415780, 12049990, 14459988, 18074985, 21689982, 24099980, 36149970, 43379964, 54224955, 72299940, 108449910, 216899820]

約数ペア:

[(1, 216899820), (2, 108449910), (3, 72299940), (4, 54224955), (5, 43379964), (6, 36149970), (9, 24099980), (10, 21689982), (12, 18074985), (15, 14459988), (18, 12049990), (19, 11415780), (20, 10844991), (30, 7229994), (36, 6024995), (38, 5707890), (45, 4819996), (57, 3805260), (60, 3614997), (76, 2853945), (90, 2409998), (95, 2283156), (114, 1902630), (171, 1268420), (180, 1204999), (190, 1141578), (228, 951315), (285, 761052), (342, 634210), (380, 570789), (570, 380526), (684, 317105), (855, 253684), (1140, 190263), (1710, 126842), (3420, 63421)]