148180000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 120

約数和(自身を含む): 377879040

約数和(自身を除く): 229699040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 239, 248, 250, 310, 400, 478, 496, 500, 620, 625, 775, 800, 956, 992, 1000, 1195, 1240, 1250, 1550, 1912, 2000, 2390, 2480, 2500, 3100, 3824, 3875, 4000, 4780, 4960, 5000, 5975, 6200, 7409, 7648, 7750, 9560, 10000, 11950, 12400, 14818, 15500, 19120, 19375, 20000, 23900, 24800, 29636, 29875, 31000, 37045, 38240, 38750, 47800, 59272, 59750, 62000, 74090, 77500, 95600, 118544, 119500, 124000, 148180, 149375, 155000, 185225, 191200, 237088, 239000, 296360, 298750, 310000, 370450, 478000, 592720, 597500, 620000, 740900, 926125, 956000, 1185440, 1195000, 1481800, 1852250, 2390000, 2963600, 3704500, 4630625, 4780000, 5927200, 7409000, 9261250, 14818000, 18522500, 29636000, 37045000, 74090000, 148180000]

約数ペア:

[(1, 148180000), (2, 74090000), (4, 37045000), (5, 29636000), (8, 18522500), (10, 14818000), (16, 9261250), (20, 7409000), (25, 5927200), (31, 4780000), (32, 4630625), (40, 3704500), (50, 2963600), (62, 2390000), (80, 1852250), (100, 1481800), (124, 1195000), (125, 1185440), (155, 956000), (160, 926125), (200, 740900), (239, 620000), (248, 597500), (250, 592720), (310, 478000), (400, 370450), (478, 310000), (496, 298750), (500, 296360), (620, 239000), (625, 237088), (775, 191200), (800, 185225), (956, 155000), (992, 149375), (1000, 148180), (1195, 124000), (1240, 119500), (1250, 118544), (1550, 95600), (1912, 77500), (2000, 74090), (2390, 62000), (2480, 59750), (2500, 59272), (3100, 47800), (3824, 38750), (3875, 38240), (4000, 37045), (4780, 31000), (4960, 29875), (5000, 29636), (5975, 24800), (6200, 23900), (7409, 20000), (7648, 19375), (7750, 19120), (9560, 15500), (10000, 14818), (11950, 12400)]