101900800

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 120

約数和(自身を含む): 266389200

約数和(自身を除く): 164488400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 380, 400, 419, 475, 512, 608, 640, 760, 800, 838, 950, 1216, 1280, 1520, 1600, 1676, 1900, 2095, 2432, 2560, 3040, 3200, 3352, 3800, 4190, 4864, 6080, 6400, 6704, 7600, 7961, 8380, 9728, 10475, 12160, 12800, 13408, 15200, 15922, 16760, 20950, 24320, 26816, 30400, 31844, 33520, 39805, 41900, 48640, 53632, 60800, 63688, 67040, 79610, 83800, 107264, 121600, 127376, 134080, 159220, 167600, 199025, 214528, 243200, 254752, 268160, 318440, 335200, 398050, 509504, 536320, 636880, 670400, 796100, 1019008, 1072640, 1273760, 1340800, 1592200, 2038016, 2547520, 2681600, 3184400, 4076032, 5095040, 5363200, 6368800, 10190080, 12737600, 20380160, 25475200, 50950400, 101900800]

約数ペア:

[(1, 101900800), (2, 50950400), (4, 25475200), (5, 20380160), (8, 12737600), (10, 10190080), (16, 6368800), (19, 5363200), (20, 5095040), (25, 4076032), (32, 3184400), (38, 2681600), (40, 2547520), (50, 2038016), (64, 1592200), (76, 1340800), (80, 1273760), (95, 1072640), (100, 1019008), (128, 796100), (152, 670400), (160, 636880), (190, 536320), (200, 509504), (256, 398050), (304, 335200), (320, 318440), (380, 268160), (400, 254752), (419, 243200), (475, 214528), (512, 199025), (608, 167600), (640, 159220), (760, 134080), (800, 127376), (838, 121600), (950, 107264), (1216, 83800), (1280, 79610), (1520, 67040), (1600, 63688), (1676, 60800), (1900, 53632), (2095, 48640), (2432, 41900), (2560, 39805), (3040, 33520), (3200, 31844), (3352, 30400), (3800, 26816), (4190, 24320), (4864, 20950), (6080, 16760), (6400, 15922), (6704, 15200), (7600, 13408), (7961, 12800), (8380, 12160), (9728, 10475)]