289671340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 763015680

約数和(自身を除く): 473344340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 49, 70, 76, 94, 95, 98, 133, 140, 188, 190, 196, 235, 245, 266, 329, 331, 380, 470, 490, 532, 658, 662, 665, 893, 931, 940, 980, 1316, 1324, 1330, 1645, 1655, 1786, 1862, 2303, 2317, 2660, 3290, 3310, 3572, 3724, 4465, 4606, 4634, 4655, 6251, 6289, 6580, 6620, 8930, 9212, 9268, 9310, 11515, 11585, 12502, 12578, 15557, 16219, 17860, 18620, 23030, 23170, 25004, 25156, 31114, 31255, 31445, 32438, 43757, 44023, 46060, 46340, 62228, 62510, 62890, 64876, 77785, 81095, 87514, 88046, 108899, 125020, 125780, 155570, 162190, 175028, 176092, 217798, 218785, 220115, 295583, 308161, 311140, 324380, 435596, 437570, 440230, 544495, 591166, 616322, 762293, 875140, 880460, 1088990, 1182332, 1232644, 1477915, 1524586, 1540805, 2069081, 2177980, 2955830, 3049172, 3081610, 3811465, 4138162, 5911660, 6163220, 7622930, 8276324, 10345405, 14483567, 15245860, 20690810, 28967134, 41381620, 57934268, 72417835, 144835670, 289671340]

約数ペア:

[(1, 289671340), (2, 144835670), (4, 72417835), (5, 57934268), (7, 41381620), (10, 28967134), (14, 20690810), (19, 15245860), (20, 14483567), (28, 10345405), (35, 8276324), (38, 7622930), (47, 6163220), (49, 5911660), (70, 4138162), (76, 3811465), (94, 3081610), (95, 3049172), (98, 2955830), (133, 2177980), (140, 2069081), (188, 1540805), (190, 1524586), (196, 1477915), (235, 1232644), (245, 1182332), (266, 1088990), (329, 880460), (331, 875140), (380, 762293), (470, 616322), (490, 591166), (532, 544495), (658, 440230), (662, 437570), (665, 435596), (893, 324380), (931, 311140), (940, 308161), (980, 295583), (1316, 220115), (1324, 218785), (1330, 217798), (1645, 176092), (1655, 175028), (1786, 162190), (1862, 155570), (2303, 125780), (2317, 125020), (2660, 108899), (3290, 88046), (3310, 87514), (3572, 81095), (3724, 77785), (4465, 64876), (4606, 62890), (4634, 62510), (4655, 62228), (6251, 46340), (6289, 46060), (6580, 44023), (6620, 43757), (8930, 32438), (9212, 31445), (9268, 31255), (9310, 31114), (11515, 25156), (11585, 25004), (12502, 23170), (12578, 23030), (15557, 18620), (16219, 17860)]