920484450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:777

約数の個数: 144

約数和(自身を含む): 2621112000

約数和(自身を除く): 1700627550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 199, 225, 285, 342, 398, 450, 475, 541, 570, 597, 855, 950, 995, 1082, 1194, 1425, 1623, 1710, 1791, 1990, 2705, 2850, 2985, 3246, 3582, 3781, 4275, 4869, 4975, 5410, 5970, 7562, 8115, 8550, 8955, 9738, 9950, 10279, 11343, 13525, 14925, 16230, 17910, 18905, 20558, 22686, 24345, 27050, 29850, 30837, 34029, 37810, 40575, 44775, 48690, 51395, 56715, 61674, 68058, 81150, 89550, 92511, 94525, 102790, 107659, 113430, 121725, 154185, 170145, 185022, 189050, 215318, 243450, 256975, 283575, 308370, 322977, 340290, 462555, 513950, 538295, 567150, 645954, 770925, 850725, 925110, 968931, 1076590, 1541850, 1614885, 1701450, 1937862, 2045521, 2312775, 2691475, 3229770, 4091042, 4625550, 4844655, 5382950, 6136563, 8074425, 9689310, 10227605, 12273126, 16148850, 18409689, 20455210, 24223275, 30682815, 36819378, 48446550, 51138025, 61365630, 92048445, 102276050, 153414075, 184096890, 306828150, 460242225, 920484450]

約数ペア:

[(1, 920484450), (2, 460242225), (3, 306828150), (5, 184096890), (6, 153414075), (9, 102276050), (10, 92048445), (15, 61365630), (18, 51138025), (19, 48446550), (25, 36819378), (30, 30682815), (38, 24223275), (45, 20455210), (50, 18409689), (57, 16148850), (75, 12273126), (90, 10227605), (95, 9689310), (114, 8074425), (150, 6136563), (171, 5382950), (190, 4844655), (199, 4625550), (225, 4091042), (285, 3229770), (342, 2691475), (398, 2312775), (450, 2045521), (475, 1937862), (541, 1701450), (570, 1614885), (597, 1541850), (855, 1076590), (950, 968931), (995, 925110), (1082, 850725), (1194, 770925), (1425, 645954), (1623, 567150), (1710, 538295), (1791, 513950), (1990, 462555), (2705, 340290), (2850, 322977), (2985, 308370), (3246, 283575), (3582, 256975), (3781, 243450), (4275, 215318), (4869, 189050), (4975, 185022), (5410, 170145), (5970, 154185), (7562, 121725), (8115, 113430), (8550, 107659), (8955, 102790), (9738, 94525), (9950, 92511), (10279, 89550), (11343, 81150), (13525, 68058), (14925, 61674), (16230, 56715), (17910, 51395), (18905, 48690), (20558, 44775), (22686, 40575), (24345, 37810), (27050, 34029), (29850, 30837)]