1639820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 4572288

約数和(自身を除く): 2932468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 53, 65, 68, 70, 85, 91, 106, 119, 130, 140, 170, 182, 212, 221, 238, 260, 265, 340, 364, 371, 442, 455, 476, 530, 595, 689, 742, 884, 901, 910, 1060, 1105, 1190, 1378, 1484, 1547, 1802, 1820, 1855, 2210, 2380, 2756, 3094, 3445, 3604, 3710, 4420, 4505, 4823, 6188, 6307, 6890, 7420, 7735, 9010, 9646, 11713, 12614, 13780, 15470, 18020, 19292, 23426, 24115, 25228, 30940, 31535, 46852, 48230, 58565, 63070, 81991, 96460, 117130, 126140, 163982, 234260, 327964, 409955, 819910, 1639820]

約数ペア:

[(1, 1639820), (2, 819910), (4, 409955), (5, 327964), (7, 234260), (10, 163982), (13, 126140), (14, 117130), (17, 96460), (20, 81991), (26, 63070), (28, 58565), (34, 48230), (35, 46852), (52, 31535), (53, 30940), (65, 25228), (68, 24115), (70, 23426), (85, 19292), (91, 18020), (106, 15470), (119, 13780), (130, 12614), (140, 11713), (170, 9646), (182, 9010), (212, 7735), (221, 7420), (238, 6890), (260, 6307), (265, 6188), (340, 4823), (364, 4505), (371, 4420), (442, 3710), (455, 3604), (476, 3445), (530, 3094), (595, 2756), (689, 2380), (742, 2210), (884, 1855), (901, 1820), (910, 1802), (1060, 1547), (1105, 1484), (1190, 1378)]