18653851300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{4751}}^1$

素因数の和:4922

約数の個数: 144

約数和(自身を含む): 47516958720

約数和(自身を除く): 28863107420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 79, 100, 140, 142, 158, 175, 284, 316, 350, 355, 395, 497, 553, 700, 710, 790, 994, 1106, 1420, 1580, 1775, 1975, 1988, 2212, 2485, 2765, 3550, 3950, 4751, 4970, 5530, 5609, 7100, 7900, 9502, 9940, 11060, 11218, 12425, 13825, 19004, 22436, 23755, 24850, 27650, 28045, 33257, 39263, 47510, 49700, 55300, 56090, 66514, 78526, 95020, 112180, 118775, 133028, 140225, 157052, 166285, 196315, 237550, 280450, 332570, 337321, 375329, 392630, 475100, 560900, 665140, 674642, 750658, 785260, 831425, 981575, 1349284, 1501316, 1662850, 1686605, 1876645, 1963150, 2361247, 2627303, 3325700, 3373210, 3753290, 3926300, 4722494, 5254606, 6746420, 7506580, 8433025, 9383225, 9444988, 10509212, 11806235, 13136515, 16866050, 18766450, 23612470, 26273030, 26648359, 33732100, 37532900, 47224940, 52546060, 53296718, 59031175, 65682575, 106593436, 118062350, 131365150, 133241795, 186538513, 236124700, 262730300, 266483590, 373077026, 532967180, 666208975, 746154052, 932692565, 1332417950, 1865385130, 2664835900, 3730770260, 4663462825, 9326925650, 18653851300]

約数ペア:

[(1, 18653851300), (2, 9326925650), (4, 4663462825), (5, 3730770260), (7, 2664835900), (10, 1865385130), (14, 1332417950), (20, 932692565), (25, 746154052), (28, 666208975), (35, 532967180), (50, 373077026), (70, 266483590), (71, 262730300), (79, 236124700), (100, 186538513), (140, 133241795), (142, 131365150), (158, 118062350), (175, 106593436), (284, 65682575), (316, 59031175), (350, 53296718), (355, 52546060), (395, 47224940), (497, 37532900), (553, 33732100), (700, 26648359), (710, 26273030), (790, 23612470), (994, 18766450), (1106, 16866050), (1420, 13136515), (1580, 11806235), (1775, 10509212), (1975, 9444988), (1988, 9383225), (2212, 8433025), (2485, 7506580), (2765, 6746420), (3550, 5254606), (3950, 4722494), (4751, 3926300), (4970, 3753290), (5530, 3373210), (5609, 3325700), (7100, 2627303), (7900, 2361247), (9502, 1963150), (9940, 1876645), (11060, 1686605), (11218, 1662850), (12425, 1501316), (13825, 1349284), (19004, 981575), (22436, 831425), (23755, 785260), (24850, 750658), (27650, 674642), (28045, 665140), (33257, 560900), (39263, 475100), (47510, 392630), (49700, 375329), (55300, 337321), (56090, 332570), (66514, 280450), (78526, 237550), (95020, 196315), (112180, 166285), (118775, 157052), (133028, 140225)]