74531940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 246141504

約数和(自身を除く): 171609564

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, 251, 294, 303, 404, 420, 490, 502, 505, 588, 606, 707, 735, 753, 980, 1004, 1010, 1212, 1255, 1414, 1470, 1506, 1515, 1757, 2020, 2121, 2510, 2828, 2940, 3012, 3030, 3514, 3535, 3765, 4242, 4949, 5020, 5271, 6060, 7028, 7070, 7530, 8484, 8785, 9898, 10542, 10605, 12299, 14140, 14847, 15060, 17570, 19796, 21084, 21210, 24598, 24745, 25351, 26355, 29694, 35140, 36897, 42420, 49196, 49490, 50702, 52710, 59388, 61495, 73794, 74235, 76053, 98980, 101404, 105420, 122990, 126755, 147588, 148470, 152106, 177457, 184485, 245980, 253510, 296940, 304212, 354914, 368970, 380265, 507020, 532371, 709828, 737940, 760530, 887285, 1064742, 1242199, 1521060, 1774570, 2129484, 2484398, 2661855, 3549140, 3726597, 4968796, 5323710, 6210995, 7453194, 10647420, 12421990, 14906388, 18632985, 24843980, 37265970, 74531940]

約数ペア:

[(1, 74531940), (2, 37265970), (3, 24843980), (4, 18632985), (5, 14906388), (6, 12421990), (7, 10647420), (10, 7453194), (12, 6210995), (14, 5323710), (15, 4968796), (20, 3726597), (21, 3549140), (28, 2661855), (30, 2484398), (35, 2129484), (42, 1774570), (49, 1521060), (60, 1242199), (70, 1064742), (84, 887285), (98, 760530), (101, 737940), (105, 709828), (140, 532371), (147, 507020), (196, 380265), (202, 368970), (210, 354914), (245, 304212), (251, 296940), (294, 253510), (303, 245980), (404, 184485), (420, 177457), (490, 152106), (502, 148470), (505, 147588), (588, 126755), (606, 122990), (707, 105420), (735, 101404), (753, 98980), (980, 76053), (1004, 74235), (1010, 73794), (1212, 61495), (1255, 59388), (1414, 52710), (1470, 50702), (1506, 49490), (1515, 49196), (1757, 42420), (2020, 36897), (2121, 35140), (2510, 29694), (2828, 26355), (2940, 25351), (3012, 24745), (3030, 24598), (3514, 21210), (3535, 21084), (3765, 19796), (4242, 17570), (4949, 15060), (5020, 14847), (5271, 14140), (6060, 12299), (7028, 10605), (7070, 10542), (7530, 9898), (8484, 8785)]