31369380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3969

約数の個数: 96

約数和(自身を含む): 105692160

約数和(自身を除く): 74322780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3931, 3990, 7862, 7980, 11793, 15724, 19655, 23586, 27517, 39310, 47172, 55034, 58965, 74689, 78620, 82551, 110068, 117930, 137585, 149378, 165102, 224067, 235860, 275170, 298756, 330204, 373445, 412755, 448134, 522823, 550340, 746890, 825510, 896268, 1045646, 1120335, 1493780, 1568469, 1651020, 2091292, 2240670, 2614115, 3136938, 4481340, 5228230, 6273876, 7842345, 10456460, 15684690, 31369380]

約数ペア:

[(1, 31369380), (2, 15684690), (3, 10456460), (4, 7842345), (5, 6273876), (6, 5228230), (7, 4481340), (10, 3136938), (12, 2614115), (14, 2240670), (15, 2091292), (19, 1651020), (20, 1568469), (21, 1493780), (28, 1120335), (30, 1045646), (35, 896268), (38, 825510), (42, 746890), (57, 550340), (60, 522823), (70, 448134), (76, 412755), (84, 373445), (95, 330204), (105, 298756), (114, 275170), (133, 235860), (140, 224067), (190, 165102), (210, 149378), (228, 137585), (266, 117930), (285, 110068), (380, 82551), (399, 78620), (420, 74689), (532, 58965), (570, 55034), (665, 47172), (798, 39310), (1140, 27517), (1330, 23586), (1596, 19655), (1995, 15724), (2660, 11793), (3931, 7980), (3990, 7862)]