289493750

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 669332160

約数和(自身を除く): 379838410

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 509, 625, 650, 875, 910, 1018, 1250, 1625, 1750, 2275, 2545, 3125, 3250, 3563, 4375, 4550, 5090, 6250, 6617, 7126, 8125, 8750, 11375, 12725, 13234, 16250, 17815, 21875, 22750, 25450, 33085, 35630, 40625, 43750, 46319, 56875, 63625, 66170, 81250, 89075, 92638, 113750, 127250, 165425, 178150, 231595, 284375, 318125, 330850, 445375, 463190, 568750, 636250, 827125, 890750, 1157975, 1590625, 1654250, 2226875, 2315950, 3181250, 4135625, 4453750, 5789875, 8271250, 11134375, 11579750, 20678125, 22268750, 28949375, 41356250, 57898750, 144746875, 289493750]

約数ペア:

[(1, 289493750), (2, 144746875), (5, 57898750), (7, 41356250), (10, 28949375), (13, 22268750), (14, 20678125), (25, 11579750), (26, 11134375), (35, 8271250), (50, 5789875), (65, 4453750), (70, 4135625), (91, 3181250), (125, 2315950), (130, 2226875), (175, 1654250), (182, 1590625), (250, 1157975), (325, 890750), (350, 827125), (455, 636250), (509, 568750), (625, 463190), (650, 445375), (875, 330850), (910, 318125), (1018, 284375), (1250, 231595), (1625, 178150), (1750, 165425), (2275, 127250), (2545, 113750), (3125, 92638), (3250, 89075), (3563, 81250), (4375, 66170), (4550, 63625), (5090, 56875), (6250, 46319), (6617, 43750), (7126, 40625), (8125, 35630), (8750, 33085), (11375, 25450), (12725, 22750), (13234, 21875), (16250, 17815)]