258889430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 508083840

約数和(自身を除く): 249194410

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 89, 142, 170, 178, 241, 355, 445, 482, 710, 890, 1205, 1207, 1513, 2410, 2414, 3026, 4097, 6035, 6319, 7565, 8194, 12070, 12638, 15130, 17111, 20485, 21449, 31595, 34222, 40970, 42898, 63190, 85555, 107245, 107423, 171110, 214490, 214846, 290887, 364633, 537115, 581774, 729266, 1074230, 1454435, 1522879, 1823165, 2908870, 3045758, 3646330, 7614395, 15228790, 25888943, 51777886, 129444715, 258889430]

約数ペア:

[(1, 258889430), (2, 129444715), (5, 51777886), (10, 25888943), (17, 15228790), (34, 7614395), (71, 3646330), (85, 3045758), (89, 2908870), (142, 1823165), (170, 1522879), (178, 1454435), (241, 1074230), (355, 729266), (445, 581774), (482, 537115), (710, 364633), (890, 290887), (1205, 214846), (1207, 214490), (1513, 171110), (2410, 107423), (2414, 107245), (3026, 85555), (4097, 63190), (6035, 42898), (6319, 40970), (7565, 34222), (8194, 31595), (12070, 21449), (12638, 20485), (15130, 17111)]