71222450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 154156800

約数和(自身を除く): 82934350

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 73, 79, 95, 130, 146, 158, 190, 247, 325, 365, 395, 475, 494, 650, 730, 790, 949, 950, 1027, 1235, 1387, 1501, 1825, 1898, 1975, 2054, 2470, 2774, 3002, 3650, 3950, 4745, 5135, 5767, 6175, 6935, 7505, 9490, 10270, 11534, 12350, 13870, 15010, 18031, 19513, 23725, 25675, 28835, 34675, 36062, 37525, 39026, 47450, 51350, 57670, 69350, 74971, 75050, 90155, 97565, 109573, 144175, 149942, 180310, 195130, 219146, 288350, 374855, 450775, 487825, 547865, 749710, 901550, 975650, 1095730, 1424449, 1874275, 2739325, 2848898, 3748550, 5478650, 7122245, 14244490, 35611225, 71222450]

約数ペア:

[(1, 71222450), (2, 35611225), (5, 14244490), (10, 7122245), (13, 5478650), (19, 3748550), (25, 2848898), (26, 2739325), (38, 1874275), (50, 1424449), (65, 1095730), (73, 975650), (79, 901550), (95, 749710), (130, 547865), (146, 487825), (158, 450775), (190, 374855), (247, 288350), (325, 219146), (365, 195130), (395, 180310), (475, 149942), (494, 144175), (650, 109573), (730, 97565), (790, 90155), (949, 75050), (950, 74971), (1027, 69350), (1235, 57670), (1387, 51350), (1501, 47450), (1825, 39026), (1898, 37525), (1975, 36062), (2054, 34675), (2470, 28835), (2774, 25675), (3002, 23725), (3650, 19513), (3950, 18031), (4745, 15010), (5135, 13870), (5767, 12350), (6175, 11534), (6935, 10270), (7505, 9490)]