29990940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^2$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 98661528

約数和(自身を除く): 68670588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 140, 147, 196, 202, 210, 245, 294, 303, 404, 420, 490, 505, 588, 606, 707, 735, 980, 1010, 1212, 1414, 1470, 1515, 2020, 2121, 2828, 2940, 3030, 3535, 4242, 4949, 6060, 7070, 8484, 9898, 10201, 10605, 14140, 14847, 19796, 20402, 21210, 24745, 29694, 30603, 40804, 42420, 49490, 51005, 59388, 61206, 71407, 74235, 98980, 102010, 122412, 142814, 148470, 153015, 204020, 214221, 285628, 296940, 306030, 357035, 428442, 499849, 612060, 714070, 856884, 999698, 1071105, 1428140, 1499547, 1999396, 2142210, 2499245, 2999094, 4284420, 4998490, 5998188, 7497735, 9996980, 14995470, 29990940]

約数ペア:

[(1, 29990940), (2, 14995470), (3, 9996980), (4, 7497735), (5, 5998188), (6, 4998490), (7, 4284420), (10, 2999094), (12, 2499245), (14, 2142210), (15, 1999396), (20, 1499547), (21, 1428140), (28, 1071105), (30, 999698), (35, 856884), (42, 714070), (49, 612060), (60, 499849), (70, 428442), (84, 357035), (98, 306030), (101, 296940), (105, 285628), (140, 214221), (147, 204020), (196, 153015), (202, 148470), (210, 142814), (245, 122412), (294, 102010), (303, 98980), (404, 74235), (420, 71407), (490, 61206), (505, 59388), (588, 51005), (606, 49490), (707, 42420), (735, 40804), (980, 30603), (1010, 29694), (1212, 24745), (1414, 21210), (1470, 20402), (1515, 19796), (2020, 14847), (2121, 14140), (2828, 10605), (2940, 10201), (3030, 9898), (3535, 8484), (4242, 7070), (4949, 6060)]