204422900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9781}}^1$

素因数の和:9825

約数の個数: 72

約数和(自身を含む): 509446560

約数和(自身を除く): 305023660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 9781, 10450, 19562, 20900, 39124, 48905, 97810, 107591, 185839, 195620, 215182, 244525, 371678, 430364, 489050, 537955, 743356, 929195, 978100, 1075910, 1858390, 2044229, 2151820, 2689775, 3716780, 4088458, 4645975, 5379550, 8176916, 9291950, 10221145, 10759100, 18583900, 20442290, 40884580, 51105725, 102211450, 204422900]

約数ペア:

[(1, 204422900), (2, 102211450), (4, 51105725), (5, 40884580), (10, 20442290), (11, 18583900), (19, 10759100), (20, 10221145), (22, 9291950), (25, 8176916), (38, 5379550), (44, 4645975), (50, 4088458), (55, 3716780), (76, 2689775), (95, 2151820), (100, 2044229), (110, 1858390), (190, 1075910), (209, 978100), (220, 929195), (275, 743356), (380, 537955), (418, 489050), (475, 430364), (550, 371678), (836, 244525), (950, 215182), (1045, 195620), (1100, 185839), (1900, 107591), (2090, 97810), (4180, 48905), (5225, 39124), (9781, 20900), (10450, 19562)]