996823290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 128

約数和(自身を含む): 2584535040

約数和(自身を除く): 1587711750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 59, 62, 74, 93, 111, 118, 155, 177, 185, 186, 222, 295, 310, 354, 370, 465, 491, 555, 590, 885, 930, 982, 1110, 1147, 1473, 1770, 1829, 2183, 2294, 2455, 2946, 3441, 3658, 4366, 4910, 5487, 5735, 6549, 6882, 7365, 9145, 10915, 10974, 11470, 13098, 14730, 15221, 17205, 18167, 18290, 21830, 27435, 28969, 30442, 32745, 34410, 36334, 45663, 54501, 54870, 57938, 65490, 67673, 76105, 86907, 90835, 91326, 109002, 135346, 144845, 152210, 173814, 181670, 203019, 228315, 272505, 289690, 338365, 406038, 434535, 456630, 545010, 563177, 676730, 869070, 898039, 1015095, 1071853, 1126354, 1689531, 1796078, 2030190, 2143706, 2694117, 2815885, 3215559, 3379062, 4490195, 5359265, 5388234, 5631770, 6431118, 8447655, 8980390, 10718530, 13470585, 16077795, 16895310, 26941170, 32155590, 33227443, 66454886, 99682329, 166137215, 199364658, 332274430, 498411645, 996823290]

約数ペア:

[(1, 996823290), (2, 498411645), (3, 332274430), (5, 199364658), (6, 166137215), (10, 99682329), (15, 66454886), (30, 33227443), (31, 32155590), (37, 26941170), (59, 16895310), (62, 16077795), (74, 13470585), (93, 10718530), (111, 8980390), (118, 8447655), (155, 6431118), (177, 5631770), (185, 5388234), (186, 5359265), (222, 4490195), (295, 3379062), (310, 3215559), (354, 2815885), (370, 2694117), (465, 2143706), (491, 2030190), (555, 1796078), (590, 1689531), (885, 1126354), (930, 1071853), (982, 1015095), (1110, 898039), (1147, 869070), (1473, 676730), (1770, 563177), (1829, 545010), (2183, 456630), (2294, 434535), (2455, 406038), (2946, 338365), (3441, 289690), (3658, 272505), (4366, 228315), (4910, 203019), (5487, 181670), (5735, 173814), (6549, 152210), (6882, 144845), (7365, 135346), (9145, 109002), (10915, 91326), (10974, 90835), (11470, 86907), (13098, 76105), (14730, 67673), (15221, 65490), (17205, 57938), (18167, 54870), (18290, 54501), (21830, 45663), (27435, 36334), (28969, 34410), (30442, 32745)]