49988890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 109278720

約数和(自身を除く): 59289830

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 161, 230, 305, 322, 427, 509, 610, 805, 854, 1018, 1403, 1610, 2135, 2545, 2806, 3563, 4270, 5090, 7015, 7126, 9821, 11707, 14030, 17815, 19642, 23414, 31049, 35630, 49105, 58535, 62098, 81949, 98210, 117070, 155245, 163898, 217343, 310490, 409745, 434686, 714127, 819490, 1086715, 1428254, 2173430, 3570635, 4998889, 7141270, 9997778, 24994445, 49988890]

約数ペア:

[(1, 49988890), (2, 24994445), (5, 9997778), (7, 7141270), (10, 4998889), (14, 3570635), (23, 2173430), (35, 1428254), (46, 1086715), (61, 819490), (70, 714127), (115, 434686), (122, 409745), (161, 310490), (230, 217343), (305, 163898), (322, 155245), (427, 117070), (509, 98210), (610, 81949), (805, 62098), (854, 58535), (1018, 49105), (1403, 35630), (1610, 31049), (2135, 23414), (2545, 19642), (2806, 17815), (3563, 14030), (4270, 11707), (5090, 9821), (7015, 7126)]