2553460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 6999552

約数和(自身を除く): 4446092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 61, 65, 70, 91, 92, 115, 122, 130, 140, 161, 182, 230, 244, 260, 299, 305, 322, 364, 427, 455, 460, 598, 610, 644, 793, 805, 854, 910, 1196, 1220, 1403, 1495, 1586, 1610, 1708, 1820, 2093, 2135, 2806, 2990, 3172, 3220, 3965, 4186, 4270, 5551, 5612, 5980, 7015, 7930, 8372, 8540, 9821, 10465, 11102, 14030, 15860, 18239, 19642, 20930, 22204, 27755, 28060, 36478, 39284, 41860, 49105, 55510, 72956, 91195, 98210, 111020, 127673, 182390, 196420, 255346, 364780, 510692, 638365, 1276730, 2553460]

約数ペア:

[(1, 2553460), (2, 1276730), (4, 638365), (5, 510692), (7, 364780), (10, 255346), (13, 196420), (14, 182390), (20, 127673), (23, 111020), (26, 98210), (28, 91195), (35, 72956), (46, 55510), (52, 49105), (61, 41860), (65, 39284), (70, 36478), (91, 28060), (92, 27755), (115, 22204), (122, 20930), (130, 19642), (140, 18239), (161, 15860), (182, 14030), (230, 11102), (244, 10465), (260, 9821), (299, 8540), (305, 8372), (322, 7930), (364, 7015), (427, 5980), (455, 5612), (460, 5551), (598, 4270), (610, 4186), (644, 3965), (793, 3220), (805, 3172), (854, 2990), (910, 2806), (1196, 2135), (1220, 2093), (1403, 1820), (1495, 1708), (1586, 1610)]