571258900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1465

約数の個数: 72

約数和(自身を含む): 1278668160

約数和(自身を除く): 707409260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 71, 100, 122, 142, 244, 284, 305, 355, 610, 710, 1220, 1319, 1420, 1525, 1775, 2638, 3050, 3550, 4331, 5276, 6100, 6595, 7100, 8662, 13190, 17324, 21655, 26380, 32975, 43310, 65950, 80459, 86620, 93649, 108275, 131900, 160918, 187298, 216550, 321836, 374596, 402295, 433100, 468245, 804590, 936490, 1609180, 1872980, 2011475, 2341225, 4022950, 4682450, 5712589, 8045900, 9364900, 11425178, 22850356, 28562945, 57125890, 114251780, 142814725, 285629450, 571258900]

約数ペア:

[(1, 571258900), (2, 285629450), (4, 142814725), (5, 114251780), (10, 57125890), (20, 28562945), (25, 22850356), (50, 11425178), (61, 9364900), (71, 8045900), (100, 5712589), (122, 4682450), (142, 4022950), (244, 2341225), (284, 2011475), (305, 1872980), (355, 1609180), (610, 936490), (710, 804590), (1220, 468245), (1319, 433100), (1420, 402295), (1525, 374596), (1775, 321836), (2638, 216550), (3050, 187298), (3550, 160918), (4331, 131900), (5276, 108275), (6100, 93649), (6595, 86620), (7100, 80459), (8662, 65950), (13190, 43310), (17324, 32975), (21655, 26380)]