878346820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10459}}^1$

素因数の和:10517

約数の個数: 96

約数和(自身を含む): 2214172800

約数和(自身を除く): 1335825980

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 646, 884, 988, 1105, 1235, 1292, 1615, 2210, 2470, 3230, 4199, 4420, 4940, 6460, 8398, 10459, 16796, 20918, 20995, 41836, 41990, 52295, 83980, 104590, 135967, 177803, 198721, 209180, 271934, 355606, 397442, 543868, 679835, 711212, 794884, 889015, 993605, 1359670, 1778030, 1987210, 2311439, 2583373, 2719340, 3378257, 3556060, 3974420, 4622878, 5166746, 6756514, 9245756, 10333492, 11557195, 12916865, 13513028, 16891285, 23114390, 25833730, 33782570, 43917341, 46228780, 51667460, 67565140, 87834682, 175669364, 219586705, 439173410, 878346820]

約数ペア:

[(1, 878346820), (2, 439173410), (4, 219586705), (5, 175669364), (10, 87834682), (13, 67565140), (17, 51667460), (19, 46228780), (20, 43917341), (26, 33782570), (34, 25833730), (38, 23114390), (52, 16891285), (65, 13513028), (68, 12916865), (76, 11557195), (85, 10333492), (95, 9245756), (130, 6756514), (170, 5166746), (190, 4622878), (221, 3974420), (247, 3556060), (260, 3378257), (323, 2719340), (340, 2583373), (380, 2311439), (442, 1987210), (494, 1778030), (646, 1359670), (884, 993605), (988, 889015), (1105, 794884), (1235, 711212), (1292, 679835), (1615, 543868), (2210, 397442), (2470, 355606), (3230, 271934), (4199, 209180), (4420, 198721), (4940, 177803), (6460, 135967), (8398, 104590), (10459, 83980), (16796, 52295), (20918, 41990), (20995, 41836)]