204579850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1483}}^1$

素因数の和:1615

約数の個数: 48

約数和(自身を含む): 397474560

約数和(自身を除く): 192894710

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 89, 155, 178, 310, 445, 775, 890, 1483, 1550, 2225, 2759, 2966, 4450, 5518, 7415, 13795, 14830, 27590, 37075, 45973, 68975, 74150, 91946, 131987, 137950, 229865, 263974, 459730, 659935, 1149325, 1319870, 2298650, 3299675, 4091597, 6599350, 8183194, 20457985, 40915970, 102289925, 204579850]

約数ペア:

[(1, 204579850), (2, 102289925), (5, 40915970), (10, 20457985), (25, 8183194), (31, 6599350), (50, 4091597), (62, 3299675), (89, 2298650), (155, 1319870), (178, 1149325), (310, 659935), (445, 459730), (775, 263974), (890, 229865), (1483, 137950), (1550, 131987), (2225, 91946), (2759, 74150), (2966, 68975), (4450, 45973), (5518, 37075), (7415, 27590), (13795, 14830)]