1209717020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 2709504000

約数和(自身を除く): 1499786980

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 199, 223, 235, 290, 398, 446, 470, 580, 796, 892, 940, 995, 1115, 1363, 1990, 2230, 2726, 3980, 4460, 5452, 5771, 6467, 6815, 9353, 10481, 11542, 12934, 13630, 18706, 20962, 23084, 25868, 27260, 28855, 32335, 37412, 41924, 44377, 46765, 52405, 57710, 64670, 88754, 93530, 104810, 115420, 129340, 177508, 187060, 209620, 221885, 271237, 303949, 443770, 542474, 607898, 887540, 1084948, 1215796, 1286933, 1356185, 1519745, 2085719, 2573866, 2712370, 3039490, 4171438, 5147732, 5424740, 6078980, 6434665, 8342876, 10428595, 12869330, 20857190, 25738660, 41714380, 60485851, 120971702, 241943404, 302429255, 604858510, 1209717020]

約数ペア:

[(1, 1209717020), (2, 604858510), (4, 302429255), (5, 241943404), (10, 120971702), (20, 60485851), (29, 41714380), (47, 25738660), (58, 20857190), (94, 12869330), (116, 10428595), (145, 8342876), (188, 6434665), (199, 6078980), (223, 5424740), (235, 5147732), (290, 4171438), (398, 3039490), (446, 2712370), (470, 2573866), (580, 2085719), (796, 1519745), (892, 1356185), (940, 1286933), (995, 1215796), (1115, 1084948), (1363, 887540), (1990, 607898), (2230, 542474), (2726, 443770), (3980, 303949), (4460, 271237), (5452, 221885), (5771, 209620), (6467, 187060), (6815, 177508), (9353, 129340), (10481, 115420), (11542, 104810), (12934, 93530), (13630, 88754), (18706, 64670), (20962, 57710), (23084, 52405), (25868, 46765), (27260, 44377), (28855, 41924), (32335, 37412)]