289810040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29333}}^1$

素因数の和:29376

約数の個数: 64

約数和(自身を含む): 739216800

約数和(自身を除く): 449406760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 29333, 58666, 117332, 146665, 234664, 293330, 381329, 557327, 586660, 762658, 1114654, 1173320, 1525316, 1906645, 2229308, 2786635, 3050632, 3813290, 4458616, 5573270, 7245251, 7626580, 11146540, 14490502, 15253160, 22293080, 28981004, 36226255, 57962008, 72452510, 144905020, 289810040]

約数ペア:

[(1, 289810040), (2, 144905020), (4, 72452510), (5, 57962008), (8, 36226255), (10, 28981004), (13, 22293080), (19, 15253160), (20, 14490502), (26, 11146540), (38, 7626580), (40, 7245251), (52, 5573270), (65, 4458616), (76, 3813290), (95, 3050632), (104, 2786635), (130, 2229308), (152, 1906645), (190, 1525316), (247, 1173320), (260, 1114654), (380, 762658), (494, 586660), (520, 557327), (760, 381329), (988, 293330), (1235, 234664), (1976, 146665), (2470, 117332), (4940, 58666), (9880, 29333)]