221273430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{55457}}^1$

素因数の和:55493

約数の個数: 64

約数和(自身を含む): 638876160

約数和(自身を除く): 417602730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 55457, 110914, 166371, 277285, 332742, 388199, 554570, 776398, 831855, 1053683, 1164597, 1663710, 1940995, 2107366, 2329194, 3161049, 3881990, 5268415, 5822985, 6322098, 7375781, 10536830, 11645970, 14751562, 15805245, 22127343, 31610490, 36878905, 44254686, 73757810, 110636715, 221273430]

約数ペア:

[(1, 221273430), (2, 110636715), (3, 73757810), (5, 44254686), (6, 36878905), (7, 31610490), (10, 22127343), (14, 15805245), (15, 14751562), (19, 11645970), (21, 10536830), (30, 7375781), (35, 6322098), (38, 5822985), (42, 5268415), (57, 3881990), (70, 3161049), (95, 2329194), (105, 2107366), (114, 1940995), (133, 1663710), (190, 1164597), (210, 1053683), (266, 831855), (285, 776398), (399, 554570), (570, 388199), (665, 332742), (798, 277285), (1330, 166371), (1995, 110914), (3990, 55457)]