1642550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:70

約数の個数: 72

約数和(自身を含む): 3968496

約数和(自身を除く): 2325946

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 130, 133, 175, 182, 190, 247, 266, 325, 350, 361, 455, 475, 494, 650, 665, 722, 910, 950, 1235, 1330, 1729, 1805, 2275, 2470, 2527, 3325, 3458, 3610, 4550, 4693, 5054, 6175, 6650, 8645, 9025, 9386, 12350, 12635, 17290, 18050, 23465, 25270, 32851, 43225, 46930, 63175, 65702, 86450, 117325, 126350, 164255, 234650, 328510, 821275, 1642550]

約数ペア:

[(1, 1642550), (2, 821275), (5, 328510), (7, 234650), (10, 164255), (13, 126350), (14, 117325), (19, 86450), (25, 65702), (26, 63175), (35, 46930), (38, 43225), (50, 32851), (65, 25270), (70, 23465), (91, 18050), (95, 17290), (130, 12635), (133, 12350), (175, 9386), (182, 9025), (190, 8645), (247, 6650), (266, 6175), (325, 5054), (350, 4693), (361, 4550), (455, 3610), (475, 3458), (494, 3325), (650, 2527), (665, 2470), (722, 2275), (910, 1805), (950, 1729), (1235, 1330)]