72642700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 190300320

約数和(自身を除く): 117657620

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 25, 26, 34, 38, 50, 52, 65, 68, 76, 85, 95, 100, 130, 170, 173, 190, 221, 247, 260, 323, 325, 340, 346, 380, 425, 442, 475, 494, 646, 650, 692, 850, 865, 884, 950, 988, 1105, 1235, 1292, 1300, 1615, 1700, 1730, 1900, 2210, 2249, 2470, 2941, 3230, 3287, 3460, 4199, 4325, 4420, 4498, 4940, 5525, 5882, 6175, 6460, 6574, 8075, 8398, 8650, 8996, 11050, 11245, 11764, 12350, 13148, 14705, 16150, 16435, 16796, 17300, 20995, 22100, 22490, 24700, 29410, 32300, 32870, 38233, 41990, 42731, 44980, 55879, 56225, 58820, 65740, 73525, 76466, 82175, 83980, 85462, 104975, 111758, 112450, 147050, 152932, 164350, 170924, 191165, 209950, 213655, 223516, 224900, 279395, 294100, 328700, 382330, 419900, 427310, 558790, 726427, 764660, 854620, 955825, 1068275, 1117580, 1396975, 1452854, 1911650, 2136550, 2793950, 2905708, 3632135, 3823300, 4273100, 5587900, 7264270, 14528540, 18160675, 36321350, 72642700]

約数ペア:

[(1, 72642700), (2, 36321350), (4, 18160675), (5, 14528540), (10, 7264270), (13, 5587900), (17, 4273100), (19, 3823300), (20, 3632135), (25, 2905708), (26, 2793950), (34, 2136550), (38, 1911650), (50, 1452854), (52, 1396975), (65, 1117580), (68, 1068275), (76, 955825), (85, 854620), (95, 764660), (100, 726427), (130, 558790), (170, 427310), (173, 419900), (190, 382330), (221, 328700), (247, 294100), (260, 279395), (323, 224900), (325, 223516), (340, 213655), (346, 209950), (380, 191165), (425, 170924), (442, 164350), (475, 152932), (494, 147050), (646, 112450), (650, 111758), (692, 104975), (850, 85462), (865, 83980), (884, 82175), (950, 76466), (988, 73525), (1105, 65740), (1235, 58820), (1292, 56225), (1300, 55879), (1615, 44980), (1700, 42731), (1730, 41990), (1900, 38233), (2210, 32870), (2249, 32300), (2470, 29410), (2941, 24700), (3230, 22490), (3287, 22100), (3460, 20995), (4199, 17300), (4325, 16796), (4420, 16435), (4498, 16150), (4940, 14705), (5525, 13148), (5882, 12350), (6175, 11764), (6460, 11245), (6574, 11050), (8075, 8996), (8398, 8650)]