1922203580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 4477310208

約数和(自身を除く): 2555106628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 163, 220, 242, 326, 443, 484, 605, 652, 815, 886, 1210, 1331, 1630, 1772, 1793, 2215, 2420, 2662, 3260, 3586, 4430, 4873, 5324, 6655, 7172, 8860, 8965, 9746, 13310, 17930, 19492, 19723, 24365, 26620, 35860, 39446, 48730, 53603, 72209, 78892, 97460, 98615, 107206, 144418, 197230, 214412, 216953, 268015, 288836, 361045, 394460, 433906, 536030, 589633, 722090, 794299, 867812, 1072060, 1084765, 1179266, 1444180, 1588598, 2169530, 2358532, 2948165, 3177196, 3971495, 4339060, 5896330, 7942990, 8737289, 11792660, 15885980, 17474578, 34949156, 43686445, 87372890, 96110179, 174745780, 192220358, 384440716, 480550895, 961101790, 1922203580]

約数ペア:

[(1, 1922203580), (2, 961101790), (4, 480550895), (5, 384440716), (10, 192220358), (11, 174745780), (20, 96110179), (22, 87372890), (44, 43686445), (55, 34949156), (110, 17474578), (121, 15885980), (163, 11792660), (220, 8737289), (242, 7942990), (326, 5896330), (443, 4339060), (484, 3971495), (605, 3177196), (652, 2948165), (815, 2358532), (886, 2169530), (1210, 1588598), (1331, 1444180), (1630, 1179266), (1772, 1084765), (1793, 1072060), (2215, 867812), (2420, 794299), (2662, 722090), (3260, 589633), (3586, 536030), (4430, 433906), (4873, 394460), (5324, 361045), (6655, 288836), (7172, 268015), (8860, 216953), (8965, 214412), (9746, 197230), (13310, 144418), (17930, 107206), (19492, 98615), (19723, 97460), (24365, 78892), (26620, 72209), (35860, 53603), (39446, 48730)]