30154900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 70308000

約数和(自身を除く): 40153100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 59, 76, 95, 100, 118, 190, 236, 269, 295, 380, 475, 538, 590, 950, 1076, 1121, 1180, 1345, 1475, 1900, 2242, 2690, 2950, 4484, 5111, 5380, 5605, 5900, 6725, 10222, 11210, 13450, 15871, 20444, 22420, 25555, 26900, 28025, 31742, 51110, 56050, 63484, 79355, 102220, 112100, 127775, 158710, 255550, 301549, 317420, 396775, 511100, 603098, 793550, 1206196, 1507745, 1587100, 3015490, 6030980, 7538725, 15077450, 30154900]

約数ペア:

[(1, 30154900), (2, 15077450), (4, 7538725), (5, 6030980), (10, 3015490), (19, 1587100), (20, 1507745), (25, 1206196), (38, 793550), (50, 603098), (59, 511100), (76, 396775), (95, 317420), (100, 301549), (118, 255550), (190, 158710), (236, 127775), (269, 112100), (295, 102220), (380, 79355), (475, 63484), (538, 56050), (590, 51110), (950, 31742), (1076, 28025), (1121, 26900), (1180, 25555), (1345, 22420), (1475, 20444), (1900, 15871), (2242, 13450), (2690, 11210), (2950, 10222), (4484, 6725), (5111, 5900), (5380, 5605)]