420085340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 963809280

約数和(自身を除く): 543723940

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 89, 92, 115, 124, 155, 178, 230, 310, 331, 356, 445, 460, 620, 662, 713, 890, 1324, 1426, 1655, 1780, 2047, 2759, 2852, 3310, 3565, 4094, 5518, 6620, 7130, 7613, 8188, 10235, 10261, 11036, 13795, 14260, 15226, 20470, 20522, 27590, 29459, 30452, 38065, 40940, 41044, 51305, 55180, 58918, 63457, 76130, 102610, 117836, 126914, 147295, 152260, 205220, 236003, 253828, 294590, 317285, 472006, 589180, 634570, 677557, 913229, 944012, 1180015, 1269140, 1355114, 1826458, 2360030, 2710228, 3387785, 3652916, 4566145, 4720060, 6775570, 9132290, 13551140, 18264580, 21004267, 42008534, 84017068, 105021335, 210042670, 420085340]

約数ペア:

[(1, 420085340), (2, 210042670), (4, 105021335), (5, 84017068), (10, 42008534), (20, 21004267), (23, 18264580), (31, 13551140), (46, 9132290), (62, 6775570), (89, 4720060), (92, 4566145), (115, 3652916), (124, 3387785), (155, 2710228), (178, 2360030), (230, 1826458), (310, 1355114), (331, 1269140), (356, 1180015), (445, 944012), (460, 913229), (620, 677557), (662, 634570), (713, 589180), (890, 472006), (1324, 317285), (1426, 294590), (1655, 253828), (1780, 236003), (2047, 205220), (2759, 152260), (2852, 147295), (3310, 126914), (3565, 117836), (4094, 102610), (5518, 76130), (6620, 63457), (7130, 58918), (7613, 55180), (8188, 51305), (10235, 41044), (10261, 40940), (11036, 38065), (13795, 30452), (14260, 29459), (15226, 27590), (20470, 20522)]