262967900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 663645024

約数和(自身を除く): 400677124

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 73, 85, 100, 130, 146, 163, 170, 221, 260, 292, 325, 326, 340, 365, 425, 442, 650, 652, 730, 815, 850, 884, 949, 1105, 1241, 1300, 1460, 1630, 1700, 1825, 1898, 2119, 2210, 2482, 2771, 3260, 3650, 3796, 4075, 4238, 4420, 4745, 4964, 5525, 5542, 6205, 7300, 8150, 8476, 9490, 10595, 11050, 11084, 11899, 12410, 13855, 16133, 16300, 18980, 21190, 22100, 23725, 23798, 24820, 27710, 31025, 32266, 36023, 42380, 47450, 47596, 52975, 55420, 59495, 62050, 64532, 69275, 72046, 80665, 94900, 105950, 118990, 124100, 138550, 144092, 154687, 161330, 180115, 202283, 211900, 237980, 277100, 297475, 309374, 322660, 360230, 403325, 404566, 594950, 618748, 720460, 773435, 806650, 809132, 900575, 1011415, 1189900, 1546870, 1613300, 1801150, 2022830, 2629679, 3093740, 3602300, 3867175, 4045660, 5057075, 5259358, 7734350, 10114150, 10518716, 13148395, 15468700, 20228300, 26296790, 52593580, 65741975, 131483950, 262967900]

約数ペア:

[(1, 262967900), (2, 131483950), (4, 65741975), (5, 52593580), (10, 26296790), (13, 20228300), (17, 15468700), (20, 13148395), (25, 10518716), (26, 10114150), (34, 7734350), (50, 5259358), (52, 5057075), (65, 4045660), (68, 3867175), (73, 3602300), (85, 3093740), (100, 2629679), (130, 2022830), (146, 1801150), (163, 1613300), (170, 1546870), (221, 1189900), (260, 1011415), (292, 900575), (325, 809132), (326, 806650), (340, 773435), (365, 720460), (425, 618748), (442, 594950), (650, 404566), (652, 403325), (730, 360230), (815, 322660), (850, 309374), (884, 297475), (949, 277100), (1105, 237980), (1241, 211900), (1300, 202283), (1460, 180115), (1630, 161330), (1700, 154687), (1825, 144092), (1898, 138550), (2119, 124100), (2210, 118990), (2482, 105950), (2771, 94900), (3260, 80665), (3650, 72046), (3796, 69275), (4075, 64532), (4238, 62050), (4420, 59495), (4745, 55420), (4964, 52975), (5525, 47596), (5542, 47450), (6205, 42380), (7300, 36023), (8150, 32266), (8476, 31025), (9490, 27710), (10595, 24820), (11050, 23798), (11084, 23725), (11899, 22100), (12410, 21190), (13855, 18980), (16133, 16300)]