173872180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 400619520

約数和(自身を除く): 226747340

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 89, 92, 115, 124, 137, 155, 178, 230, 274, 310, 356, 445, 460, 548, 620, 685, 713, 890, 1370, 1426, 1780, 2047, 2740, 2759, 2852, 3151, 3565, 4094, 4247, 5518, 6302, 7130, 8188, 8494, 10235, 11036, 12193, 12604, 13795, 14260, 15755, 16988, 20470, 21235, 24386, 27590, 31510, 40940, 42470, 48772, 55180, 60965, 63020, 63457, 84940, 97681, 121930, 126914, 195362, 243860, 253828, 280439, 317285, 377983, 390724, 488405, 560878, 634570, 755966, 976810, 1121756, 1269140, 1402195, 1511932, 1889915, 1953620, 2804390, 3779830, 5608780, 7559660, 8693609, 17387218, 34774436, 43468045, 86936090, 173872180]

約数ペア:

[(1, 173872180), (2, 86936090), (4, 43468045), (5, 34774436), (10, 17387218), (20, 8693609), (23, 7559660), (31, 5608780), (46, 3779830), (62, 2804390), (89, 1953620), (92, 1889915), (115, 1511932), (124, 1402195), (137, 1269140), (155, 1121756), (178, 976810), (230, 755966), (274, 634570), (310, 560878), (356, 488405), (445, 390724), (460, 377983), (548, 317285), (620, 280439), (685, 253828), (713, 243860), (890, 195362), (1370, 126914), (1426, 121930), (1780, 97681), (2047, 84940), (2740, 63457), (2759, 63020), (2852, 60965), (3151, 55180), (3565, 48772), (4094, 42470), (4247, 40940), (5518, 31510), (6302, 27590), (7130, 24386), (8188, 21235), (8494, 20470), (10235, 16988), (11036, 15755), (12193, 14260), (12604, 13795)]