173850380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 108

約数和(自身を含む): 425653200

約数和(自身を除く): 251802820

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 199, 209, 220, 242, 361, 380, 398, 418, 484, 605, 722, 796, 836, 995, 1045, 1210, 1444, 1805, 1990, 2090, 2189, 2299, 2420, 3610, 3781, 3971, 3980, 4180, 4378, 4598, 7220, 7562, 7942, 8756, 9196, 10945, 11495, 15124, 15884, 18905, 19855, 21890, 22990, 24079, 37810, 39710, 41591, 43681, 43780, 45980, 48158, 71839, 75620, 79420, 83182, 87362, 96316, 120395, 143678, 166364, 174724, 207955, 218405, 240790, 287356, 359195, 415910, 436810, 457501, 481580, 718390, 790229, 831820, 873620, 915002, 1436780, 1580458, 1830004, 2287505, 3160916, 3951145, 4575010, 7902290, 8692519, 9150020, 15804580, 17385038, 34770076, 43462595, 86925190, 173850380]

約数ペア:

[(1, 173850380), (2, 86925190), (4, 43462595), (5, 34770076), (10, 17385038), (11, 15804580), (19, 9150020), (20, 8692519), (22, 7902290), (38, 4575010), (44, 3951145), (55, 3160916), (76, 2287505), (95, 1830004), (110, 1580458), (121, 1436780), (190, 915002), (199, 873620), (209, 831820), (220, 790229), (242, 718390), (361, 481580), (380, 457501), (398, 436810), (418, 415910), (484, 359195), (605, 287356), (722, 240790), (796, 218405), (836, 207955), (995, 174724), (1045, 166364), (1210, 143678), (1444, 120395), (1805, 96316), (1990, 87362), (2090, 83182), (2189, 79420), (2299, 75620), (2420, 71839), (3610, 48158), (3781, 45980), (3971, 43780), (3980, 43681), (4180, 41591), (4378, 39710), (4598, 37810), (7220, 24079), (7562, 22990), (7942, 21890), (8756, 19855), (9196, 18905), (10945, 15884), (11495, 15124)]