30018100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 81800320

約数和(自身を除く): 51782220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 37, 38, 50, 61, 70, 74, 76, 95, 100, 122, 133, 140, 148, 175, 185, 190, 244, 259, 266, 305, 350, 370, 380, 427, 475, 518, 532, 610, 665, 700, 703, 740, 854, 925, 950, 1036, 1159, 1220, 1295, 1330, 1406, 1525, 1708, 1850, 1900, 2135, 2257, 2318, 2590, 2660, 2812, 3050, 3325, 3515, 3700, 4270, 4514, 4636, 4921, 5180, 5795, 6100, 6475, 6650, 7030, 8113, 8540, 9028, 9842, 10675, 11285, 11590, 12950, 13300, 14060, 15799, 16226, 17575, 19684, 21350, 22570, 23180, 24605, 25900, 28975, 31598, 32452, 35150, 40565, 42700, 42883, 45140, 49210, 56425, 57950, 63196, 70300, 78995, 81130, 85766, 98420, 112850, 115900, 123025, 157990, 162260, 171532, 202825, 214415, 225700, 246050, 300181, 315980, 394975, 405650, 428830, 492100, 600362, 789950, 811300, 857660, 1072075, 1200724, 1500905, 1579900, 2144150, 3001810, 4288300, 6003620, 7504525, 15009050, 30018100]

約数ペア:

[(1, 30018100), (2, 15009050), (4, 7504525), (5, 6003620), (7, 4288300), (10, 3001810), (14, 2144150), (19, 1579900), (20, 1500905), (25, 1200724), (28, 1072075), (35, 857660), (37, 811300), (38, 789950), (50, 600362), (61, 492100), (70, 428830), (74, 405650), (76, 394975), (95, 315980), (100, 300181), (122, 246050), (133, 225700), (140, 214415), (148, 202825), (175, 171532), (185, 162260), (190, 157990), (244, 123025), (259, 115900), (266, 112850), (305, 98420), (350, 85766), (370, 81130), (380, 78995), (427, 70300), (475, 63196), (518, 57950), (532, 56425), (610, 49210), (665, 45140), (700, 42883), (703, 42700), (740, 40565), (854, 35150), (925, 32452), (950, 31598), (1036, 28975), (1159, 25900), (1220, 24605), (1295, 23180), (1330, 22570), (1406, 21350), (1525, 19684), (1708, 17575), (1850, 16226), (1900, 15799), (2135, 14060), (2257, 13300), (2318, 12950), (2590, 11590), (2660, 11285), (2812, 10675), (3050, 9842), (3325, 9028), (3515, 8540), (3700, 8113), (4270, 7030), (4514, 6650), (4636, 6475), (4921, 6100), (5180, 5795)]