30963100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 108

約数和(自身を含む): 80151120

約数和(自身を除く): 49188020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 71, 89, 98, 100, 140, 142, 175, 178, 196, 245, 284, 350, 355, 356, 445, 490, 497, 623, 700, 710, 890, 980, 994, 1225, 1246, 1420, 1775, 1780, 1988, 2225, 2450, 2485, 2492, 3115, 3479, 3550, 4361, 4450, 4900, 4970, 6230, 6319, 6958, 7100, 8722, 8900, 9940, 12425, 12460, 12638, 13916, 15575, 17395, 17444, 21805, 24850, 25276, 31150, 31595, 34790, 43610, 44233, 49700, 62300, 63190, 69580, 86975, 87220, 88466, 109025, 126380, 157975, 173950, 176932, 218050, 221165, 309631, 315950, 347900, 436100, 442330, 619262, 631900, 884660, 1105825, 1238524, 1548155, 2211650, 3096310, 4423300, 6192620, 7740775, 15481550, 30963100]

約数ペア:

[(1, 30963100), (2, 15481550), (4, 7740775), (5, 6192620), (7, 4423300), (10, 3096310), (14, 2211650), (20, 1548155), (25, 1238524), (28, 1105825), (35, 884660), (49, 631900), (50, 619262), (70, 442330), (71, 436100), (89, 347900), (98, 315950), (100, 309631), (140, 221165), (142, 218050), (175, 176932), (178, 173950), (196, 157975), (245, 126380), (284, 109025), (350, 88466), (355, 87220), (356, 86975), (445, 69580), (490, 63190), (497, 62300), (623, 49700), (700, 44233), (710, 43610), (890, 34790), (980, 31595), (994, 31150), (1225, 25276), (1246, 24850), (1420, 21805), (1775, 17444), (1780, 17395), (1988, 15575), (2225, 13916), (2450, 12638), (2485, 12460), (2492, 12425), (3115, 9940), (3479, 8900), (3550, 8722), (4361, 7100), (4450, 6958), (4900, 6319), (4970, 6230)]